CVE-2021-21670
MEDIUM4.3EPSS 1.2%Improper permission checks allow canceling queue items and aborting builds in Jenkins
Published: 5/24/2022Modified: 4/3/2025
Description
Jenkins LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
Affected packages (2)
- Bitnami/jenkinsfrom 0, < 2.300.0
- Maven/org.jenkins-ci.main:jenkins-corefrom 0, < 2.289.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21670
- PATCHhttps://github.com/jenkinsci/jenkins
- WEBhttps://github.com/jenkinsci/jenkins/commit/86b7d7e789586575522650c60d591605facb1d70
- WEBhttps://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278
- WEBhttp://www.openwall.com/lists/oss-security/2021/06/30/1