CVE-2025-41242 is classified as a medium-severity vulnerability, with a CVSS score of 5.9. This vulnerability allows Spring Framework MVC applications to be susceptible to path traversal attacks when deployed on non-compliant Servlet containers. It is essential for organizations to understand the implications of this vulnerability to prevent potential exploitation.
The vulnerability arises under specific conditions: the application must be deployed as a WAR or with an embedded Servlet container, the Servlet container must not reject suspicious sequences, and the application must serve static resources using Spring resource handling. The risk to organizations includes unauthorized access to sensitive files, which can lead to data breaches.
Currently, there are no known exploits for this vulnerability, and it has not been classified as actively exploited. However, organizations should prioritize patching immediately to mitigate any risks associated with this vulnerability.
Given the potential impact of this vulnerability, it is crucial for organizations to assess their use of Spring Framework MVC applications and ensure they are deployed in compliant environments.
Vulnerability Details
The official description states that Spring Framework MVC applications can be vulnerable to a path traversal vulnerability when deployed on a non-compliant Servlet container. The vulnerability is classified under CWE-22, which is linked to improper restriction of operations within the bounds of a memory buffer.
The affected systems are those utilizing Spring Framework MVC in conjunction with Servlet containers that do not enforce adequate security measures. The vulnerability was published on August 18, 2025, and the CVSS vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Technical Analysis
The root cause of CVE-2025-41242 is associated with the failure of certain Servlet containers to properly reject suspicious sequences, allowing attackers to potentially navigate the file system of the server. The attack vector is over the network, and the attack complexity is rated as high, requiring no privileges or user interaction.
This vulnerability has a confidentiality impact rated as high, meaning that sensitive information may be exposed. However, there is no impact on integrity or availability.
Risk & Impact Analysis
Organizations using Spring Framework MVC applications must understand the real-world risks associated with CVE-2025-41242. If exploited, attackers could gain unauthorized access to sensitive files, leading to data breaches and reputational damage. The blast radius can vary significantly based on the application's deployment environment and configuration.
Given the medium severity level, organizations should address this vulnerability in their priority patch cycle. It is crucial to establish a timeline for remediation to minimize exposure to potential attacks.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Spring Framework MVC applications deployed in non-compliant Servlet containers are considered vulnerable. Organizations should verify their deployment configurations to ensure compliance with security standards.
Mitigation & Remediation
To mitigate this vulnerability, organizations should upgrade their applications to the latest version of the Spring Framework. Additionally, ensuring that the Servlet container is compliant and that default security features are not disabled is crucial.
Organizations should also consider implementing security features such as input validation and sanitization to further defend against path traversal attacks. For guidance on best practices, refer to the application security assessment services.
Detection Guidance
Organizations should monitor logs for unusual access patterns to static resources, as this may indicate an attempt to exploit the vulnerability. Implementing network signatures that detect path traversal attempts can also aid in early detection.
AppSecure Threat Intelligence Insight
CVE-2025-41242 highlights the importance of maintaining compliant configurations for Servlet containers. Organizations should regularly review their deployments to prevent similar vulnerabilities. The medium severity of this vulnerability underscores the necessity of proactive security measures to safeguard sensitive data.
For a comprehensive understanding of vulnerability management, organizations are encouraged to read about the vulnerability management program and consider engaging in penetration testing to identify and remediate similar weaknesses.
In conclusion, staying informed about vulnerabilities like CVE-2025-41242 is essential for strengthening an organization's security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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