Vulnerability in Jenkins
CVE-2021-21697
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Jenkins
- Jenkins Project — versions unspecified
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2021-11-04/ (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/11/04/3 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21697?
- CVE-2021-21697 is a critical-severity vulnerability in Jenkins. CVSS score: 9.1/10. Published 2021-11-04.
- How severe is CVE-2021-21697?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2021-21697 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.