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Vulnerability DatabaseCVE-2021-21638
CVE-2021-21638:
Java vulnerability analysis and mitigation
Overview
CVE-2021-21638 is a Cross-Site Request Forgery (CSRF) vulnerability discovered in the Jenkins Team Foundation Server Plugin version 5.157.1 and earlier. The vulnerability was disclosed on March 30, 2021, as part of a larger security advisory affecting multiple Jenkins plugins (Jenkins Advisory).
Technical details
The vulnerability stems from an HTTP endpoint in the Team Foundation Server Plugin that does not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability. This issue is compounded by a missing permission check in the same endpoint. The vulnerability has been assigned a High severity CVSS rating (Jenkins Advisory).
Impact
When exploited, this vulnerability allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, potentially leading to the capture of credentials stored in Jenkins (Jenkins Advisory).
Mitigation and workarounds
As of the advisory's publication date, no official fix was available for this vulnerability in the Team Foundation Server Plugin (Jenkins Advisory, OSS Security).
Additional resources
Source: This report was generated using AI
Related Java vulnerabilities:
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