CVE-2021-21636

Description

Jenkins Team Foundation Server Plugin 5.157.1 and earlier does not perform a permission check in an HTTP endpoint. This allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. Those can be used as part of an attack to capture the credentials using another vulnerability. As of publication of this advisory, there is no fix.

How to fix CVE-2021-21636

No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.

• —no fix listed

Is CVE-2021-21636 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, <= 5.157.1

CVSS scores

References (4)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-21636
• PATCHgithub.com/jenkinsci/tfs-plugin
• WEBwww.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20(1)
• WEBwww.openwall.com/lists/oss-security/2021/03/30/1