CVE-2021-21697
Agent-to-controller access control allows reading/writing most content of build directories in Jenkins
9.1
CRITICAL
CVSS 3.1
EPSS 1.6%
Description
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.
How to fix CVE-2021-21697
To remediate CVE-2021-21697, upgrade the affected package to a fixed version below.
- Bitnami/jenkins—upgrade to 2.318.1 or later
- —upgrade to 2.303.3 or later
Is CVE-2021-21697 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.318.1
- from 0, < 2.303.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |