Vulnerability in Jenkins
CVE-2021-21682
Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Jenkins
- Jenkins Project — versions unspecified
- Microsoft Windows
References
- www.jenkins.io/security/advisory/2021-10-06/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/10/06/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21682?
- CVE-2021-21682 is a medium-severity vulnerability in Jenkins. CVSS score: 4.3/10. Published 2021-10-06.
- How severe is CVE-2021-21682?
- Medium severity. CVSS v3 base score is 4.3 out of 10.