Vulnerability · Published Oct 6, 2021 · Assigned by jenkins
CVE-2021-21682
Medium 4.3
In plain English
A medium-severity security flaw in Jenkins 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 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.0%top 37.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.315 | GHSA-6q4g-84f3-mw74 |
| Maven | org.jenkins-ci.main:jenkins-core | 2.303.2 | GHSA-6q4g-84f3-mw74 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.314unspecified – through LTS 2.303.1 |
References
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424 x_refsource_CONFIRM
- [oss-security] 20211006 Multiple vulnerabilities in Jenkins and Jenkins plugins mailing-list, x_refsource_MLIST