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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
jenkinsCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
jenkinstemplating_engine
𝑥
≤ 2.1
𝑥
= Vulnerable software versions
References
http://www.openwall.com/lists/oss-security/2021/04/21/2
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311
http://www.openwall.com/lists/oss-security/2021/04/21/2
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311