CVE-2021-21646
HIGH
8.8
CVSS Score
Published: April 21, 2021 at 02:20 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorTemplating Engine
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Severity
HIGH8.8
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Templating Engine· Jenkinsjenkins-plugin
95%v ≤ 2.1
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/04/21/2x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
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