Vulnerability · Published Feb 24, 2021 · Assigned by jenkins
CVE-2021-21618
Medium 5.4
In plain English
A medium-severity security flaw in Jenkins Repository Connector 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 79.5% (higher than 99.6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)79.5%top 0.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:repository-connector | 2.0.3 | GHSA-hg2w-3c4j-jjwm |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Repository Connector Plugin | unspecified – through 2.0.2 |
References
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2183 x_refsource_CONFIRM