Vulnerability · Published May 25, 2021 · Assigned by jenkins
CVE-2021-21657
High 8.8
In plain English
A high-severity security flaw in Jenkins Filesystem Trigger 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 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Filesystem Trigger Plugin 0.40 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:fstrigger | 0.41 | GHSA-cphv-7cxw-5hcc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Filesystem Trigger Plugin | unspecified – through 0.40 |
References
- https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2339 x_refsource_CONFIRM
- [oss-security] 20210525 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST