Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Templating Engine | <= 2.1 |
References
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing ListThird Party Advisory
- https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311Vendor Advisory
FAQ
What is CVE-2021-21646?
CVE-2021-21646 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 i...
How severe is CVE-2021-21646?
CVE-2021-21646 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21646?
Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Templating Engine.