CVE-2021-21646

Published Apr 21, 2021

Last updated a year ago

Overview

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.
Source: jenkinsci-cert@googlegroups.com
NVD status: Modified

Hype score: Not currently trending

Risk scores

CVSS 3.1

Type: Primary
Base score: 8.8
Impact score: 5.9
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 6.5
Impact score: 6.4
Exploitability score: 8
Vector string: AV:N/AC:L/Au:S/C:P/I:P/A:P

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:jenkins:templating_engine:*:*:*:*:*:jenkins:*:*",
            "vulnerable": true,
            "matchCriteriaId": "CC9BAF16-0AB9-4DFF-AA8F-3023CFE5195A",
            "versionEndIncluding": "2.1"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References