Vulnerability · Published Mar 25, 2020 · Assigned by jenkins
CVE-2020-2161
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 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)1.2%top 30.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | jenkins | 2.228-r0 | ALPINE-CVE-2020-2161 |
| Alpine:v3.21 | jenkins | 2.228-r0 | ALPINE-CVE-2020-2161 |
| Alpine:v3.22 | jenkins | 2.228-r0 | ALPINE-CVE-2020-2161 |
| Alpine:v3.23 | jenkins | 2.228-r0 | ALPINE-CVE-2020-2161 |
| Alpine:v3.24 | jenkins | 2.228-r0 | ALPINE-CVE-2020-2161 |
| Maven | org.jenkins-ci.main:jenkins-core | 2.228 | GHSA-g8pg-qrvm-wgh2 |
| Maven | org.jenkins-ci.main:jenkins-core | 2.228 | GHSA-g8pg-qrvm-wgh2 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.227unspecified – through LTS 2.204.5 |
References
- https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781 x_refsource_CONFIRM
- [oss-security] 20200325 Multiple vulnerabilities in Jenkins and Jenkins plugins mailing-list, x_refsource_MLIST