CVE-2021-21673

Published Jun 30, 2021

Last updated a year ago

CVSS medium 6.1

Overview

Description: Jenkins CAS Plugin 1.6.0 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins, allowing attackers to perform phishing attacks.
Source: jenkinsci-cert@googlegroups.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 6.1
Impact score: 2.7
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: MEDIUM

CVSS 2.0

Type: Primary
Base score: 5.8
Impact score: 4.9
Exploitability score: 8.6
Vector string: AV:N/AC:M/Au:N/C:P/I:P/A:N

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:jenkins:cas:*:*:*:*:*:jenkins:*:*",
            "vulnerable": true,
            "matchCriteriaId": "9F3E362D-3518-4D3B-9815-A2AAF7899231",
            "versionEndIncluding": "1.6.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References