Vulnerability · Published Mar 18, 2021 · Assigned by jenkins
CVE-2021-21623
Medium 6.5
In plain English
A medium-severity security flaw in Jenkins Matrix Authorization Strategy 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 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.0%top 36.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:matrix-auth | 2.6.6 | GHSA-96jw-3xw4-mq9p |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Matrix Authorization Strategy Plugin | unspecified – through 2.6.5 |
References
- https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180 x_refsource_CONFIRM
- [oss-security] 20210318 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST