CVE-2025-27625 (Medium) detected in jenkins-core-2.426.3.jar

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CVE-2025-27625 - Medium Severity Vulnerability

Vulnerable Library - jenkins-core-2.426.3.jar

Jenkins core code and view files to render HTML.

Library home page: https://github.com/jenkinsci/jenkins

Path to dependency file: /build.gradle

Path to vulnerable library: /tmp/containerbase/cache/.gradle/caches/modules-2/files-2.1/org.jenkins-ci.main/jenkins-core/2.426.3/eee94c4c0c78e715d2a599eb66a5a89c5eed9d18/jenkins-core-2.426.3.jar

Dependency Hierarchy:

• :x: jenkins-core-2.426.3.jar (Vulnerable Library)

Found in base branch: main

Vulnerability Details

In Jenkins 2.499 and earlier, LTS 2.492.1 and earlier, redirects starting with backslash ("") characters are considered safe, allowing attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site, because browsers interpret these characters as part of scheme-relative redirects.

Publish Date: 2025-03-05

URL: CVE-2025-27625

CVSS 3 Score Details (4.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501

Release Date: 2025-03-05

Fix Resolution: 2.492.2

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