Vulnerability · Published Mar 30, 2021 · Assigned by jenkins
CVE-2021-21637
Medium 6.5
In plain English
A medium-severity security flaw in Jenkins Team Foundation Server Plugin from Jenkins project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.0%top 37.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:tfs | no fix listed | GHSA-6364-jx4h-7564 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Team Foundation Server Plugin | unspecified – through 5.157.1 |
References
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29 x_refsource_CONFIRM
- [oss-security] 20210330 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST