CVE-2025-12624 describes a vulnerability within WSO2 Identity Server, specifically related to the handling of access tokens. When a user account is locked, the associated active access tokens are not revoked or invalidated. Consequently, valid tokens continue to provide access to protected resources, allowing locked user accounts to bypass access control policies. This situation creates a security gap that could lead to unauthorized data access or actions, persisting until the tokens expire naturally. The severity of this vulnerability is classified as medium with a CVSS score of 6.
The potential impact of this vulnerability is significant, as it enables unauthorized access to sensitive information and resources, which could lead to data breaches. Organizations utilizing WSO2 Identity Server are advised to prioritize patching to mitigate this vulnerability and prevent exploitation. The urgency for defenders is high due to the potential for bypassing established security measures.
As of now, there are no known exploits in the wild, and the vulnerability has not been added to the Known Exploited Vulnerabilities (KEV) catalog. However, organizations should remain vigilant and conduct thorough assessments of their systems to identify any affected instances of WSO2 Identity Server.
Organizations should prioritize patching immediately. Ensuring that all access tokens are revoked upon user account locking will help protect against unauthorized access and strengthen the security posture of WSO2 Identity Server implementations.
Vulnerability Details
The vulnerability allows previously issued, valid access tokens to remain usable even when user accounts are locked. This failure to enforce token revocation creates a significant security risk. WSO2 Identity Server version 5.2.0 is affected by this issue, classified under CWE-613, which pertains to the failure to revoke access tokens properly.
The CVSS score of 6 reflects a medium severity level, with a vector string indicating a network attack vector, high attack complexity, low privileges required, and no user interaction necessary. Confidentiality, integrity, and availability impacts are all rated as low.
Technical Analysis
The root cause of this vulnerability is the failure to revoke active access tokens when a user account is locked. The attack vector is network-based, meaning that an attacker could exploit this vulnerability remotely. The attack complexity is categorized as high, requiring some level of sophistication to exploit effectively. Privileges required are low, making it accessible to a broader range of potential attackers. Notably, user interaction is not required for the exploitation of this vulnerability.
The impact on confidentiality, integrity, and availability is rated as low, indicating that while the potential for unauthorized access exists, the overall risk may be limited by the circumstances of individual deployments.
Risk & Impact Analysis
The real-world risk associated with CVE-2025-12624 is significant, as organizations relying on WSO2 Identity Server could face unauthorized access to protected resources by using existing access tokens. The potential blast radius includes sensitive data and systems that may be compromised due to the failure to enforce token revocation.
Given the CVSS score of 6, organizations should address this vulnerability in their priority patch cycle. The existence of this vulnerability emphasizes the importance of stringent access control measures and the need for robust token management practices.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of WSO2 Identity Server is 5.2.0. Organizations using this version should take immediate action to remediate this vulnerability.
Mitigation & Remediation
Organizations utilizing WSO2 Identity Server should apply the latest patches to ensure that active access tokens are properly revoked when user accounts are locked. If patches are unavailable, organizations should implement alternative mitigation strategies, such as disabling affected user accounts temporarily or enhancing monitoring of access attempts by locked accounts.
For further guidance on security practices, organizations may find value in exploring penetration testing to assess the effectiveness of their security controls.
Detection Guidance
Organizations should monitor logs for unusual access patterns, particularly from locked user accounts. Behavioral anomalies associated with authentication attempts should also be tracked to identify potential exploitation of this vulnerability.
AppSecure Threat Intelligence Insight
CVE-2025-12624 highlights a critical aspect of access security within identity management solutions. As organizations increasingly rely on token-based authentication, the importance of implementing robust revocation mechanisms cannot be overstated. Regular security assessments and reviews of access control implementations are essential to mitigate risks associated with vulnerabilities like this.
To further strengthen security postures, organizations may consider adopting a comprehensive vulnerability management program that emphasizes continuous monitoring and timely remediation of identified vulnerabilities.
Furthermore, engaging in regular reviews of access control policies can ensure that only authorized users retain access to sensitive resources. For organizations implementing WSO2 Identity Server, understanding how to manage tokens effectively will be crucial in maintaining security integrity.
For insights into best practices in security testing, organizations can refer to penetration testing methodology to ensure a robust security framework.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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