medium4.3
CVE-2021-21636
Missing permission check in Jenkins Team Foundation Server Plugin allows enumerating credentials IDs
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:tfs | <= 5.157.1 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jenkins | Team Foundation Server | through 5.157.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2021/03/30/1
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%281%29
- https://github.com/advisories/GHSA-vg28-9f43-gmh5
- https://nvd.nist.gov/vuln/detail/CVE-2021-21636
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20(1)