CVE-2021-21636
Missing permission check in Jenkins Team Foundation Server Plugin allows enumerating credentials IDs
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.
- Record
CVE-2021-21636- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE List No score
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.
- Record
CVE-2021-21636- Updated
- 2026-11-02
EUVDEUVD-2022-5351 No score
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.
- Record
EUVD-2022-5351- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vg28-9f43-gmh5
Missing permission check in Jenkins Team Foundation Server Plugin allows enumerating credentials IDs
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.
- Record
GHSA-vg28-9f43-gmh5- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.
- Record
CVE-2021-21636- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-vg28-9f43-gmh5
Missing permission check in Jenkins Team Foundation Server Plugin allows enumerating credentials IDs
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.
- Record
GHSA-vg28-9f43-gmh5- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:tfsMaven |
through 5.157.1 | None known |
org.jenkins-ci.plugins:tfsMaven |
through 5.157.1, plus listed versions 2.03.0.03.0.13.1.13.2.0 Show 16 moreShow less4.0.04.1.05.0.05.1.05.121.05.126.05.133.05.139.15.139.25.142.05.157.05.2.05.2.15.3.15.3.35.3.4 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21636 is a medium vulnerability (CVSS 4.3) in Jenkins Team Foundation Server, published March 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.