CVE-2021-21646

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.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.39%

Vendor Advisory jenkins.io

Affected: Jenkins project Jenkins Templating Engine Plugin

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311	vendor advisory
http://www.openwall.com/lists/oss-security/2021/04/21/2	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-21646?: CVE-2021-21646 has been scored as a high severity vulnerability.
How to fix CVE-2021-21646?: To fix CVE-2021-21646, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21646 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-21646 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21646?: CVE-2021-21646 affects Jenkins project Jenkins Templating Engine Plugin.

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