Vulnerability in Jenkins Generic Webhook Trigger
CVE-2021-21669
Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.257 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.257 · newest: 0.257 · change: 0.000
Affected products
- Jenkins Generic Webhook Trigger
- Jenkins Project Generic Webhook Trigger Plugin — versions unspecified
References
- www.jenkins.io/security/advisory/2021-06-18/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/06/18/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21669?
- CVE-2021-21669 is a critical-severity vulnerability in Jenkins Generic Webhook Trigger. CVSS score: 9.8/10. Published 2021-06-18.
- How severe is CVE-2021-21669?
- Critical severity. CVSS v3 base score is 9.8 out of 10.