Security advisory

Security Advisory

Apache Tomcat Vulnerabilities Expose Systems to DoS & Authentication Bypass  

Security Advisory; Summary

Multiple vulnerabilities have been identified in Apache Tomcat affecting various versions and critical security updates provided to address four newly discovered vulnerabilities in Apache Tomcat. The disclosed Apache Tomcat vulnerabilities pose serious threats, especially in high-availability or internet-exposed environments.

Apache Tomcat is one of the world’s most widely used open-source Java servlet containers.

OEM Apache 
Severity High 
CVSS Score 8.4 
CVEs CVE-2025-48976, CVE-2025-48988, CVE-2025-49125, CVE-2025-49124 
Actively Exploited No 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

The affected versions 9.0.x, 10.1.x and 11.0.x, also include high-impact denial-of-service (DoS) vulnerabilities and a moderate authentication bypass flaw as well as a Windows installer issue that may allow privilege escalation via side-loading. 

Timely patching is essential to prevent potential service disruptions and unauthorized access. 

Vulnerability Name CVE ID Product Affected Severity 
​Memory Exhaustion via Multipart Header Exploitation  CVE-2025-48976 Apache Tomcat  High 
Multipart Upload Resource Exhaustion  CVE-2025-48988 Apache Tomcat  High 
Security Constraint Bypass (Pre/PostResources)  CVE-2025-49125 Apache Tomcat  High 
Windows Installer Side-Loading Risk  CVE-2025-49124 Apache Tomcat  High 

Technical Summary 

The vulnerabilities affect Tomcat’s handling of multipart HTTP requests, resource mounting and Windows installation process. Exploitation may result in denial-of-service (via memory exhaustion), privilege escalation (via installer abuse) and authentication bypass. 

CVE ID System Affected Vulnerability Details Impact 
  CVE-2025-48976 Apache Tomcat 9.0.0.M1–9.0.105, 10.1.0-M1–10.1.41, 11.0.0-M1–11.0.7 Fixed memory allocation limit in multipart header processing could be exploited to consume memory and cause DoS.  Denial-of-service attack. 
  CVE-2025-48988 Apache Tomcat 9.0.0.M1–9.0.105, 10.1.0-M1–10.1.41, 11.0.0-M1–11.0.7 Multipart request body with many parts can trigger high memory usage due to improper limit handling between parameters and parts.  Denial-of-service attack. 
  CVE-2025-49125  Tomcat with Pre/Post Resources enabled Lack of resource path normalization allows attackers to access resources outside root bypassing auth controls. Authentication and Authorization Bypass. 
  CVE-2025-49124  Tomcat Windows Installers Installer invoked icacls.exe without full path, making it vulnerable to side-loading attacks via PATH manipulation. Privilege Escalation. 

Remediation: 

Update Immediately: Users of the affected versions should apply one of the following mitigations. 

  • Upgrade to Apache Tomcat 11.0.8 or later 
  • Upgrade to Apache Tomcat 10.1.42 or later   
  • Upgrade to Apache Tomcat 9.0.106 or later 

Conclusion: 

Attackers could exploit these flaws to cause denial-of-service, escalate privileges or bypass authentication and authorization controls. 

The Apache Software Foundation credits the TERASOLUNA Framework Security Team of NTT DATA Group Corporation and T. Doğa Gelişli for identifying these issues.

Tomcat is widely used in enterprise and cloud environments, prompt patching is essential to prevent potential exploitation, service outages, or unauthorized access.

References: 

  • https://lists.apache.org/thread/0jwb3d3sjyfk5m6xnnj7h9m7ngxz23db 

Blogs Security Advisory

Cyber-Security News at a Glance: June1st -June15th, 2025

The current cybersecurity landscape continues to evolve, marked by persistent challenges and digital technologies transforming the cyber world. Across industries such as healthcare and financial services, in the month of June,2025, organizations navigated advanced threats, cyber attacks on retail sector including Security advisory’s etc.

Let’s explore the key trends and incidents from June1st -June15th, 2025

Microsoft June 2025 Patch Tuesday addresses a total of 67 vulnerabilities across its product ecosystem. Critical flaws in WebDAV, SMB, SharePoint and Remote Desktop Services highlight the urgency of installing this month’s updates.

Microsoft June 2025 Patch Tuesday – 67 Vulnerabilities Fixed Including 2 Zero-Days 

NCSC UK, released set of 6 principles to build Cyber Security culture & Boost Resilience for Orgs

The U.K. National Cyber Security Centre on Wednesday published six cybersecurity culture principles developed through extensive research with industry and government partners.

The principles define the cultural foundations essential for building a cyber-resilient organization and offer guidance on how to cultivate that environment.

NCSC UK, released set of 6 principles to build Cyber Security culture & Boost Resilience for Orgs

Critical 0-Day RCE Vulnerability in Fortinet Products (CVE-2025-32756) Actively Exploited 

A critical unauthenticated Remote Code Execution (RCE) vulnerability, tracked as CVE-2025-32756, has been identified in multiple Fortinet products.

The flaw is currently under active exploitation, allowing attackers to take full control of affected systems via a buffer overflow in the /remote/hostcheck_validate endpoint. A public PoC is available, significantly increasing the risk to unpatched devices. 

CVE-2025-32756 is a critical unauthenticated Remote Code Execution (RCE) vulnerability affecting multiple Fortinet products. The vulnerability resides in the /remote/hostcheck_validate endpoint and is due to improper bounds checking when parsing the enc parameter of the AuthHash cookie.

POC Released for Critical RCE Vulnerability in AWS Amplify Codegen-UI 

 A critical security vulnerability has been disclosed in AWS Amplify Studio’s UI generation framework, with researchers releasing a proof-of-concept exploit demonstrating remote code execution capabilities.  AWS addressed the issue in version 2.20.3, replacing the unsafe eval() with a sandboxed expression evaluator. 

Vulnerable versions used eval() to interpret stringified JavaScript expressions in UI components. This allowed injection of malicious expressions such as shell commands, due to the absence of validation or blacklisting.  

Splunk Enterprise & Cloud platform found that  (XSS) vulnerability existed & affects their multiple versions

Splunk has disclosed a medium-severity cross-site scripting (XSS) vulnerability affecting multiple versions of its Enterprise and Cloud Platform products that could allow low-privileged attackers to execute malicious JavaScript code in users’ browsers.

A security vulnerability identified as CVE-2025-20297 has been found in older versions of Splunk Enterprise and Splunk Cloud Platform.

Reflected XSS Vulnerability in Splunk Enterprise & Cloud Platform 

(DoS) Vulnerability has been identified in ModSecurity, an open-source web application

The issue affects versions prior to 2.9.10 and related to the “sanitiseArg” action, which can be exploited by adding an excessive number of arguments, ultimately causing the system to fail or crash. The vulnerability has been fixed in version 2.9.10. 

This vulnerability is similar to this CVE-2025-47947 issue, presents a significant risk, especially for organizations relying on ModSecurity 2.x versions for web application protection. 

High Risk DoS Vulnerability in ModSecurity WAF 

Multiple vulnerabilities have been discovered in IBM QRadar Suite Software and Cloud Pak, affecting versions 1.10.0.0 through 1.11.2.0.

The company released patches on June 3, 2025, addressing five distinct Common Vulnerabilities and Exposures (CVEs) that affect enterprise security infrastructure used by organizations worldwide.

The most critical vulnerability (CVE-2025-25022) allows unauthenticated access to sensitive configuration files. IBM has released version 1.11.3.0 to address these issues. 

Critical Vulnerabilities Patched in IBM QRadar Suite & Cloud Pak for Security 

Google has released a critical out-of-band security update for its Chrome browser to address CVE-2025-5419.

Rated as high-severity zero-day vulnerability in the V8 JavaScript engine that is currently being actively exploited in the wild. Google has released a critical out-of-band security update for its Chrome browser to address CVE-2025-5419.

This vulnerability allows attackers to execute arbitrary code on users’ systems through specially crafted web content, making it a serious threat requiring immediate attention. 

Google Chrome Patches Actively Exploited Zero-Day Vulnerability 

Ways to combat Cyber Threats; Strengthen your SOC’s readiness involves 3 key strategies

Cyber threats are no longer limited to human attackers, with AI-driven “bad bot” attacks now accounting for 1/3 as per research. These attacks can be automated, allowing attackers to launch more extensive and efficient campaigns

Organizations are now exposed new risks, providing cybercriminals with more entry points and potential “surface areas” to exploit as they go digital and adopt to innovations and wider use of digital technologies.

Some of the types of bad bots are DDoS bots, which disrupt a website or online service by overwhelming it with traffic from multiple sources.

IntruceptLabs now offers Mirage Cloak and to summarise Mirage Cloak offers various deception methods to detect and stop threats before they cause damage.

These methods include adding decoys to the network, deploying breadcrumbs on current enterprise assets, using baits as tripwires on endpoints.

 This is executed by setting up lures with intentionally misconfigured or vulnerable services or applications.

The flexible framework also lets customers add new deception methods as needed.

Conclusion: Organizations can better protect their digital assets and ensure business continuity by understanding the key components and best practices for building a successful SOC.

At the end  we must accept that to defend against any sort of AI attack, SOC teams must evolve with right collaborations and effective communication between partners seamlessly to evaluate information to stay ahead of attackers.

Security Advisory

POC Released for Critical RCE Vulnerability in AWS Amplify Codegen-UI  

Summary: A critical security vulnerability has been disclosed in AWS Amplify Studio’s UI generation framework, with researchers releasing a proof-of-concept exploit demonstrating remote code execution capabilities.

OEM AWS 
Severity Critical 
CVSS Score 9.5 
CVEs CVE-2025-4318 
POC Available Yes 
Actively Exploited No 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

A critical vulnerability has been discovered in AWS Amplify Studio’s UI generation tool, @aws-amplify/codegen-ui, which allows Remote Code Execution (RCE) during build or render time.

Tracked as CVE-2025-4318, this flaw originates from unsafe evaluation of user-defined JavaScript expressions without proper input validation or sandboxing.

It has been assigned a CVSS score of 9.5. Exploitation could lead to unauthorized command execution, leakage of AWS secrets, or full compromise of CI/CD environments. AWS addressed the issue in version 2.20.3, replacing the unsafe eval() with a sandboxed expression evaluator. 

Vulnerability Name CVE ID Product Affected Severity Fixed Version 
​Unsafe Expression Evaluation in Codegen-UI  CVE-2025-4318 @aws-amplify/codegen-ui  Critical  2.20.3 

Technical Summary 

The vulnerability stems from how AWS Amplify Studio processed dynamic expressions defined in component fields (eg: label, placeholder).

In affected versions, these expressions were directly evaluated using eval() without any filtering or validation, assuming they were safe.

This behavior enabled attackers to inject malicious code into UI schemas that would execute during the build or runtime process particularly dangerous in CI/CD pipelines where secrets and environment variables are accessible. 

A working Proof-of-Concept (PoC) has been developed and shared by researchers, which simulates the exploit using a crafted JSON component, a Node.js script and a Python server. The PoC demonstrates successful RCE via malicious input evaluated by the vulnerable tool. 

CVE ID System Affected  Vulnerability Details Impact 
  CVE-2025-4318  AWS Amplify Studio (<=2.20.2) Vulnerable versions used eval() to interpret stringified JavaScript expressions in UI components. This allowed injection of malicious expressions such as shell commands, due to the absence of validation or blacklisting.    RCE, exposure of secrets, CI/CD compromise, unauthorized system control 

Remediation: 

Upgrade Immediately: Update @aws-amplify/codegen-ui to version 2.20.3 or later, which replaces unsafe evaluation logic with a sandboxed function (safeEval) and a keyword blacklist. 

Conclusion: 
CVE-2025-4318 is a severe RCE vulnerability in AWS Amplify Studio caused by unsafe evaluation of JavaScript expressions during UI component rendering or generation.

A fully functional PoC exploit has been published, which clearly demonstrates the risk of using eval() in dynamic application code without input validation. 

The fixed version mitigates this risk by introducing a sandboxed evaluation mechanism and filtering dangerous keywords. Organizations using Amplify Studio should upgrade immediately and audit all inputs and build processes for safety. 

AWS security teams have advised developers to immediately upgrade to version 2.20.3 or later and audit all existing component schemas for potentially unsafe expressions.

The incident highlights the critical importance of implementing secure coding practices in low-code development platforms where user input directly influences code generation and execution processes.

References: 

Security Advisory

Critical Credential Reuse Vulnerability in Cisco ISE Cloud Deployments 

Summary 

OEM Cisco 
Severity Critical 
CVSS Score 9.9 
CVEs CVE-2025-20286 
Actively Exploited No 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

Cisco has disclosed a critical vulnerability in Identity Services Engine (ISE) cloud deployments that allows unauthenticated remote attackers to gain administrative access across multiple instances due to improperly generated static credentials.

Tracked as CVE-2025-20286, with a CVSS score of 9.9, this flaw affects ISE deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure (OCI). Cisco has released hotfixes and announced permanent fixes for impacted versions. 

Vulnerability Name CVE ID Product Affected Severity 
​Cisco ISE Shared Credential Vulnerability  CVE-2025-20286 Cisco ISE   Critical 

Technical Summary 

The vulnerability stems from improper generation of credentials during the setup of Cisco ISE on cloud platforms. Each deployment of the same ISE version on a given platform (eg – AWS 3.1) shares identical static credentials. This oversight enables an attacker to extract credentials from one deployment and reuse them to access others, if network access is available. 

This issue is only to cloud-hosted Primary Administration nodes. Traditional on-premises deployments or hybrid setups with local admin nodes are not affected. 

CVE ID System Affected  Vulnerability Details Impact 
  CVE-2025-20286  Cisco ISE 3.1 – 3.4 Static credentials reused across same-version cloud deployments. Credentials can be extracted from one instance and reused across others on the same cloud platform   Access sensitive data 

Remediation: 

Apply Hotfix Immediately: Install the universal hotfix ise-apply-CSCwn63400_3.1.x_patchall-SPA.tar.gz on ISE versions 3.1 to 3.4. 

Cisco ISE Release Hot Fix First Fixed Release 
3.0 and earlier Not applicable. Not affected. 
3.1 ise-apply-CSCwn63400_3.1.x_patchall-SPA.tar.gz Migrate to a fixed release. 
This hot fix applies to Releases 3.1 through 3.4. 
3.2 ise-apply-CSCwn63400_3.1.x_patchall-SPA.tar.gz Migrate to a fixed release. 
This hot fix applies to Releases 3.1 through 3.4. 
3.3 ise-apply-CSCwn63400_3.1.x_patchall-SPA.tar.gz 3.3P8 (November 2025) 
This hot fix applies to Releases 3.1 through 3.4. 
3.4 ise-apply-CSCwn63400_3.1.x_patchall-SPA.tar.gz 3.4P3 (October 2025) 
This hot fix applies to Releases 3.1 through 3.4. 
3.5 Not applicable. Planned release (Aug 2025) 

Conclusion: 
CVE-2025-20286 presents a severe security risk to organizations using Cisco ISE on public cloud platforms. By exploiting shared static credentials, attackers can potentially move laterally between cloud deployments.

Although no active exploitation has been reported, a proof-of-concept (PoC) exploit is available, heightening the urgency for remediation. 

Organizations should apply hotfixes immediately, upgrade to secured versions, and tighten cloud network access policies to mitigate the risk. On-premises and hybrid deployments remain unaffected, offering a safer architectural alternative. 

References: 

Security Advisory

Reflected XSS Vulnerability in Splunk Enterprise & Cloud Platform 

Summary 

Splunk has disclosed a medium-severity cross-site scripting (XSS) vulnerability affecting multiple versions of its Enterprise and Cloud Platform products that could allow low-privileged attackers to execute malicious JavaScript code in users’ browsers.

OEM Cisco 
Severity MEDIUM 
CVSS Score 4.3 
CVEs CVE-2025-20297 
CWEs CWE-79 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

A security vulnerability identified as CVE-2025-20297 has been found in older versions of Splunk Enterprise and Splunk Cloud Platform.

This issue allows low privileged users to execute unauthorized JavaScript code in a victim’s browser using a specific Splunk feature that generates Pdf from dashboards.

Although the vulnerability is rated as Medium (CVSS 4.3) but it could be a significant risk in environments where Splunk Web is widely accessed by users. 

The vulnerability specifically targets instances with Splunk Web enabled, which represents the majority of production deployments given the component’s central role in dashboard management and user interface functionality.

Vulnerability Name CVE ID Product Affected Severity Fixed Version 
​Reflected Cross Site Scripting  CVE-2025-20297 Splunk Enterprise & Cloud  Medium  Check the remediation section. 

Technical Summary 

The vulnerability lies in the pdfgen/render REST endpoint used to create dashboard PDFs. In vulnerable versions, a low \privileged user (not an admin or power user) can inject a malicious script via this endpoint.

If a legitimate user interacts with the resulting PDF or link, their browser may execute the injected script without their consent, this is working as reflected XSS. 

CVE ID System Affected Vulnerability Details Impact 
CVE-2025-20297  Splunk Enterprise & Cloud multiple versions Low-privileged users can exploit the pdfgen/render endpoint to inject unauthorized JavaScript code into a victim’s browser. Code Execution/Reflected xss. 

Remediation: 

Splunk has released updates, that addressed the vulnerability:  

  • Splunk Enterprise: Upgrade to version 9.4.2, 9.3.4, 9.2.6, 9.1.9 or latest. 
  • Splunk Cloud Platform: Upgrade to version 9.3.2411.102, 9.3.2408.111, 9.2.2406.118 or latest. 

If you cannot upgrade immediately, you can disable Splunk Web to prevent exploitation. For this you can review the web.conf configuration file and follow the Splunk guidance on disabling unnecessary components. 

Disabling Splunk Web may impact users who rely on the web interface so consider access controls or network-based restrictions as temporary mitigations. 

Conclusion: 
While CVE-2025-20297 is rated as a medium severity vulnerability, it should not be ignored in the environments where many users interact with Splunk dashboards. Attackers with limited permissions could potentially target higher privileged users by modifying malicious links or payloads. 

Organizations should prioritize upgrading Splunk to the fixed versions or implementing the workarounds immediately.

Even though this vulnerability requires some user interaction, the risks include unauthorized access to sensitive data through potential session hijacking. 

While Splunk has not provided specific detection methods for this vulnerability, organizations should monitor access patterns to the pdfgen/render endpoint and review user privilege assignments to minimize potential exposure

This vulnerability poses a significant risk to organizations relying on Splunk’s data analytics platform for security monitoring and business intelligence operations.

References: 

Security Advisory

High Risk DoS Vulnerability in ModSecurity WAF 

Summary 

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx.

OEM ModSecurity 
Severity HIGH 
CVSS Score 7.5 
CVEs CVE-2025-48866 
CWEs CWE-1050 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

A Denial of Service (DoS) vulnerability has been identified in ModSecurity, an open-source web application firewall (WAF) used with Apache, Nginx and IIS.

The issue affects versions prior to 2.9.10 and related to the “sanitiseArg” action, which can be exploited by adding an excessive number of arguments, ultimately causing the system to fail or crash. The vulnerability has been fixed in version 2.9.10. 

There is no user interaction required to trigger, exploiting it can lead to significant resource consumption, resulting in service disruption. 

Vulnerability Name CVE ID Product Affected Severity Fixed Version 
​Denial of Service (DoS) vulnerability  CVE-2025-48866 Modsecurity WAF  High  v2.9.10 

Technical Summary 

The vulnerability arises from the behavior of the “sanitiseArg” (also referred to as “sanitizeArg”) action in ModSecurity. This action sanitizes a specific argument passed to a rule (e.g.- password), masking it in the logs by replacing its value with asterisks (*). 

CVE ID System Affected Vulnerability Details Impact 
  CVE-2025-48866  ModSecurity (mod_security2.x) prior to v2.9.10 When a rule uses the sanitiseArg action, it processes each argument that matches the specified name (e.g – password).  If a large number of matching arguments (e.g.- 500 or more) are passed, ModSecurity repeatedly adds them to memory, which can lead to excessive memory consumption and potentially crash the system. System crashes due to resource exhaustion (DoS)   

Remediation: 

Apply Patches Promptly: Upgrade to ModSecurity version 2.9.10 or the latest one. 

Avoid using the “sanitizeArg” or “sanitizeArg” actions in your rules. If these actions are not used, the engine will not be affected by the vulnerability.  

Conclusion: 
This vulnerability is similar to this CVE-2025-47947 issue, presents a significant risk, especially for organizations relying on ModSecurity 2.x versions for web application protection. 

Although the vulnerability is rated as high, it requires a specific set of conditions to be exploited. But to ensure the continued stability and security of web applications, the fix needs to be applied as soon as possible. 

References: 

Security Advisory

Critical Vulnerabilities Patched in IBM QRadar Suite & Cloud Pak for Security 

Summary : Security Advisory

Multiple vulnerabilities have been discovered in IBM QRadar Suite Software and Cloud Pak, affecting versions 1.10.0.0 through 1.11.2.0.

The company released patches on June 3, 2025, addressing five distinct Common Vulnerabilities and Exposures (CVEs) that affect enterprise security infrastructure used by organizations worldwide.

OEM IBM 
Severity Critical 
CVSS Score 9.6 
CVEs CVE-2025-25022, CVE-2025-2502, CVE-2025-25020, CVE-2025-25019, CVE-2025-1334 
Actively Exploited No 
Exploited in Wild No 
Advisory Version 1.0 

Overview 

These include risks such as remote code execution, information disclosure, session hijacking, and denial of service. The most critical vulnerability (CVE-2025-25022) allows unauthenticated access to sensitive configuration files. IBM has released version 1.11.3.0 to address these issues. 

Vulnerability Name CVE ID Product Affected CVSS Score Severity 
​Information Disclosure Vulnerability  CVE-2025-25022 IBM Cloud Pak, QRadar Suite  9.6  Critical 
Code Execution Vulnerability  CVE-2025-25021 IBM QRadar SIEM  7.2  High 
Denial of Service Vulnerability  CVE-2025-25020 IBM QRadar SIEM  6.5  Medium 
Session Hijacking Vulnerability  CVE-2025-25019 IBM QRadar SIEM  4.8  Medium 
Web Cache Disclosure Vulnerability  CVE-2025-1334 IBM QRadar Suite  4.0  Medium 

Technical Summary 

The identified vulnerabilities affect both the IBM QRadar Suite and Cloud Pak, exposing them to a variety of threats such as unauthorized access, arbitrary code execution, and denial of service.

These flaws arise from weaknesses in session handling, code generation, API validation, and file configuration security. 

CVE ID System Affected Vulnerability Details Impact 
  CVE-2025-25022   QRadar SIEM Unauthenticated access to sensitive config files due to poor protections.   Information disclosure, RCE 
   CVE-2025-25021    QRadar SIEM Privileged code execution due to improper script code generation in case management.   Remote Code Execution 
  CVE-2025-25020   QRadar SIEM API input validation flaw allowing service crash via malformed data   Denial of Service 
   CVE-2025-25019    QRadar SIEM Sessions not invalidated upon logout, enabling impersonation by attackers. Session Hijacking 
  CVE-2025-1334   QRadar Suite Cached web content readable by other users, compromising multi-user data confidentiality. Local Info Disclosure 

Remediation: 

  • Apply Latest Fix: Upgrade to IBM QRadar Suite Software and Cloud Pak version 1.11.3.0 or later. 

Refer to IBM’s official installation and upgrade documentation for detailed steps.  

Conclusion: 
These vulnerabilities pose significant security risks, especially CVE-2025-25022 with a critical severity score of 9.6. Organizations using the affected IBM QRadar and Cloud Pak versions should prioritize upgrading to latest version to mitigate exposure.

IBM has acknowledged these issues and released patches to address all five vulnerabilities. 

Notably, IBM has identified no effective workarounds or mitigations for these vulnerabilities, making patching the only viable protection strategy.

References: 

Security Advisory

Critical 0-Day Vulnerabilities in Qualcomm Adreno GPU Drivers Actively Exploited  

Summary 

OEM Qualcomm 
Severity HIGH 
CVSS Score 8.6 
CVEs CVE-2025-21479, CVE-2025-21480, CVE-2025-27038 
Actively Exploited Yes 
Exploited in Wild Yes 
Advisory Version 1.0 

Overview 

Three actively exploited zero-day vulnerabilities in Qualcomm’s Adreno GPU drivers (CVE-2025-21479, CVE-2025-21480, CVE-2025-27038) have been disclosed and patched.

These flaws impact billions of Android devices across vendors such as Samsung, Google, Xiaomi, and OnePlus. Qualcomm released patches to OEMs in May 2025, urging immediate integration to mitigate severe memory corruption and code execution threats. 

Vulnerability Name CVE ID Product Affected CVSS Score Severity 
​Incorrect Authorization Vulnerability  CVE-2025-21479 Qualcomm Adreno GPU Driver  8.6  High 
Incorrect Authorization Vulnerability  CVE-2025-21480 Qualcomm Adreno GPU Driver  8.6  High 
Use-After-Free Vulnerability  CVE-2025-27038 Qualcomm Adreno GPU Driver  7.5  High 

Technical Summary 

These vulnerabilities reside within Qualcomm’s Adreno GPU driver, specifically in the Graphics component. The flaws allow attackers to corrupt memory, escalate privileges or execute arbitrary code. Two issues (CVE-2025-21479, CVE-2025-21480) result from incorrect authorization mechanisms in GPU microcode and the third (CVE-2025-27038) is a use-after-free flaw that can be exploited via malicious content rendered through Chrome. 

CVE ID System Affected Vulnerability Details Impact 
  CVE-2025-21479   Android (Adreno GPU) Unauthorized command execution during specific GPU microcode sequences causes memory corruption.   Privilege escalation, system compromise. 
   CVE-2025-21480    Android (Adreno GPU) Similar unauthorized GPU command flaw allowing memory corruption via improper authorization checks.   Memory corruption, remote code execution. 
  CVE-2025-27038   Android (Chrome/Adreno) Use-after-free condition in graphics rendering pipeline (via Chrome) allows attacker control over freed memory space.   Arbitrary code execution. 

Recommendations: 

  • Apply OEM Patches Immediately: Qualcomm released fixes in May 2025 to all OEMs; users should install the latest firmware updates from their device manufacturers. 
  • Check for Updates: Go to Settings → System → Software Update and apply the latest security patches as soon as available. 
  • Apply Security Updates: Users should ensure their Android devices receive the latest security updates. 
  • Monitor Manufacturer Communications: Stay informed about patch availability specific to your device model via official OEM channels. 

Conclusion: 
These zero-day vulnerabilities in Qualcomm’s Adreno GPU drivers highlight ongoing security risks in mobile hardware components.

Exploited in limited, targeted attacks potentially by spyware vendors or state-sponsored actors these flaws pose significant threats to Android devices worldwide. 

In response to confirmed exploitation, CISA has added all three CVEs (CVE-2025-21479, CVE-2025-21480, CVE-2025-27038) to its Known Exploited Vulnerabilities (KEV) catalog, mandating swift action for federal systems.

Timely patching by OEMs and proactive updates by users are critical to mitigating these risks and preventing further exploitation. 

References: 

 

Blogs

NIST & CISA Proposed Metric for Vulnerability Exploitation Probability

The National Institute of Standards and Technology (NIST) is proposing a new metric to determine the likelihood of any software or hardware vulnerability being exploited.

The new metric is “Likely Exploited Vulnerabilities” (LEV), that aims to close a key gap in vulnerability management.

This new data point can benefit the SecOps teams who are working to release an effective patch management strategy and address the development flaws.

NIST now wants members of cyber security community to come forward and validate the method as predicting which ones is important for the efficiency and cost effectiveness of enterprise vulnerability remediation.

However NIST proposed that predicting ones which is important for the efficiency and cost effectiveness of enterprise vulnerability remediation efforts is important.

Currently, such remediation efforts rely on the Exploit Prediction Scoring System (EPSS), which has known inaccurate values, and Known Exploited Vulnerability (KEV) lists, which may not be comprehensive.

The proposed likelihood metric may augment EPSS remediation (correcting some inaccuracies) and KEV lists (enabling measurements of comprehensiveness). However, collaboration with industry is necessary to provide necessary performance measurements.

Importance of Metric for Vulnerability Exploitation Probability

Remediating vulnerabilities is time-consuming and costly. According to the paper, most companies only manage to patch about 16% of the vulnerabilities affecting their systems each month.

Meanwhile, research shows that only about 5% of vulnerabilities are exploited in the wild.

It is found organizations would spend their limited resources patching that small but dangerous subset, but identifying them has proven difficult.

That’s where LEV comes in to assist organizations prioritize vulnerabilities that are likely to have already been used in attacks, the metric could make patching efforts more targeted and effective.

In a recently published paper, Peter Mell (formerly of NIST) and Jonathan Spring of CISA presented a vulnerability exploitation metric that builds upon the existing Exploit Prediction Scoring System (EPSS) and CISA’s Known Exploited Vulnerabilities (KEV) catalog.

The researchers noted that studies show only about 5% of known vulnerabilities are exploited in the wild, while organizations typically remediate only 16% of vulnerabilities each month.

The researchers outline four key ways LEV could be used:

1. Estimate how many vulnerabilities have been exploited.
2. Check how complete KEV lists are.
3. Identify high-risk vulnerabilities missing from those lists.
4. Fix blind spots in EPSS, which sometimes underestimates risk for already-exploited bugs.

Introducing the LEV Metric

Mell and Spring’s new metric—called Likely Exploited Vulnerabilities (LEV) probabilities—aims to address the limitations of both EPSS and the KEV catalog. While EPSS provides 30-day exploitation probabilities, it has known inaccuracies, particularly underestimating risk for already-exploited vulnerabilities. KEV, on the other hand, is limited by its reliance on known exploit data and may not be comprehensive.

LEV probabilities are designed to:

  • Estimate how many and which vulnerabilities are likely to have been exploited
  • Assess the completeness of the KEV catalog
  • Enhance KEV-based prioritization by identifying likely-exploited vulnerabilities not yet listed
  • Improve EPSS-based prioritization by correcting underestimations

Key Findings

The researchers compared LEV and EPSS scores for specific vulnerabilities, showing significant differences.

For example:

  • CVE-2023-1730 (SupportCandy WordPress plugin SQL injection): before 3.1.5, the LEV probability was 0.70, while the peak EPSS score was 0.16.
  • CVE-2023-29373 (Microsoft ODBC Driver RCE – Remote Code Execution vulnerability): the LEV probability was 0.54350, while the peak EPSS probability was 0.08.

The LEV analysis identified hundreds of vulnerabilities with probabilities near 1.0. However, many of these are not listed in current KEV catalogs. NIST is actively seeking collaboration with partners as real-world validation is must for LEV to be a promising idea rather than a trusted tool.

NIST is currently seeking industry partners with relevant datasets to empirically evaluate the effectiveness of LEV probabilities through real-world performance measurements.

Sources: https://www.helpnetsecurity.com/2025/05/26/nist-likely-exploited-vulnerabilities/#:~:text=LEV%20aims%20to%20bridge%20that,%2C%20not%20replace%2C%20existing%20methods.

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