CVE-2021-21646
Last modified
CVE-2021-21646 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Templating Engine | <= 2.1 |
References
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2021
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- CVE-2021-21644A cross-site request forgery (CSRF) vulnerability in Jenkins…5.4
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