CVE-2021-21637 json
Missing permission check in Jenkins Team Foundation Server Plugin allow capturing credentials
published 2021-03-30 5 y ago modified 2026-06-17 4 mo ago also GHSA-6364-jx4h-7564 , EUVD-2022-2697
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:tfs | <=5.157.1 |
no fix listed |
Affected products
- Jenkins project Jenkins Team Foundation Server Plugin
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
- jenkins.io /security/advisory/2021-03-30/#SECURITY-2283%20%282%29
-
openwall.com
/lists/oss-security/2021/03/30/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21637
advisory
-
github.com
/jenkinsci/tfs-plugin
package
-
jenkins.io
/security/advisory/2021-03-30/#SECURITY-2283%20(2)
web
Sources
- CVE List CVE-2021-21637
- GitHub Advisory GHSA-6364-jx4h-7564
- NVD CVE-2021-21637
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