CVE-2021-21670
Improper permission checks allow canceling queue items and aborting builds in Jenkins
4.3
MEDIUM
CVSS 3.1
EPSS 2.0%
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.
How to fix CVE-2021-21670
To remediate CVE-2021-21670, upgrade the affected package to a fixed version below.
- Bitnami/jenkins—upgrade to 2.300.0 or later
- —upgrade to 2.289.2 or later
Is CVE-2021-21670 being exploited?
Low — EPSS is 2.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.300.0
- from 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 |