CSRF in Jenkins Team Foundation Server
CVE-2021-21638
A cross-site request forgery (CSRF) vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Jenkins Team Foundation Server
- Jenkins Project Team Foundation Server Plugin — versions unspecified, next of 5.157.1
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2021-03-30/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/03/30/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21638?
- CVE-2021-21638 is a high-severity vulnerability in Jenkins Team Foundation Server, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-03-30.
- How severe is CVE-2021-21638?
- High severity. CVSS v3 base score is 8.8 out of 10.