Vulnerability in Jenkins Templating Engine
CVE-2021-21646
Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Jenkins Templating Engine
- Jenkins Project Templating Engine Plugin — versions unspecified
References
- www.jenkins.io/security/advisory/2021-04-21/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/04/21/2 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21646?
- CVE-2021-21646 is a high-severity vulnerability in Jenkins Templating Engine. CVSS score: 8.8/10. Published 2021-04-21.
- How severe is CVE-2021-21646?
- High severity. CVSS v3 base score is 8.8 out of 10.