Vulnerability in Jenkins

CVE-2021-21689

FilePath#unzip and FilePath#untar were not subject to any agent-to-controller access control in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

EPSS: 0.014 (70.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

References

Frequently asked questions

What is CVE-2021-21689?
CVE-2021-21689 is a critical-severity vulnerability in Jenkins. CVSS score: 9.1/10. Published 2021-11-04.
How severe is CVE-2021-21689?
Critical severity. CVSS v3 base score is 9.1 out of 10.