Vulnerability · Published Mar 18, 2021 · Assigned by jenkins
CVE-2021-21626
Medium 4.3
In plain English
A medium-severity security flaw in Jenkins Warnings Next Generation 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 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.9%top 41.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | io.jenkins.plugins:warnings-ng | 8.5.0 | GHSA-7j3x-xm4j-jfj7 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Warnings Next Generation Plugin | unspecified – through 8.4.4 |
References
- https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041 x_refsource_CONFIRM
- [oss-security] 20210318 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST