Vulnerability · Published Aug 12, 2020 · Assigned by jenkins
CVE-2020-2231
Medium 5.4
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 5.3% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)5.3%top 7.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via 'Trigger builds remotely', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Job/Configure permission or knowledge of the Authentication Token.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.235.4 | GHSA-jpvq-v729-7j2h |
| Maven | org.jenkins-ci.main:jenkins-core | 2.252 | GHSA-jpvq-v729-7j2h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.251unspecified – through LTS 2.235.3 |
References
- https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960 x_refsource_CONFIRM
- [oss-security] 20200812 Multiple vulnerabilities in Jenkins and Jenkins plugins mailing-list, x_refsource_MLIST
- http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html x_refsource_MISC