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AlienVault OTX Malware

saml-plugin

Jenkins SAML Plugin 4.583.vc68232f7018a_ and earlier does not implement a replay cache, allowing attackers able to obtain information about the SAML authentication flow between a user's web browser and Jenkins to replay those requests, authenticating to Jenkins as that user.

The vulnerability identified as CVE-2025-64131 affects the Jenkins SAML Plugin version 4.583.vc68232f7018a_ and earlier. The core issue is the absence of a replay cache mechanism within the plugin's SAML authentication process. SAML (Security Assertion Markup Language) is a widely used protocol for single sign-on (SSO) that exchanges authentication and authorization data between identity providers and service providers like Jenkins. Without a replay cache, the plugin fails to detect and block replayed authentication requests. An attacker who can intercept or observe the SAML authentication flow—typically by network sniffing or man-in-the-middle techniques—can capture valid authentication tokens or requests. By replaying these captured requests, the attacker can impersonate legitimate users and gain unauthorized access to Jenkins instances. This access could allow attackers to manipulate build pipelines, access sensitive source code, or disrupt continuous integration and deployment processes. The vulnerability does not require prior authentication but does require the attacker to observe or intercept the SAML messages, which may involve some user interaction or network access. The CVSS v3.1 base score of 7.5 indicates high severity, with network attack vector, high impact on confidentiality, integrity, and availability, and user interaction required. No known exploits have been reported in the wild yet, but the vulnerability poses a significant risk given Jenkins' critical role in software development environments.

Detailed information about CVE-2025-64131: Vulnerability in Jenkins Project Jenkins SAML Plugin affecting Jenkins Project Jenkins SAML Plugin. Get real-time upd

CVE-2025-64131: Vulnerability in Jenkins Project Jenkins SAML Plugin - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-64131: Vulnerability in Jenkins Project Jenkins SAML Plugin

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