Access Restriction Bypass Affecting org.jenkins-ci.plugins:cas-plugin package, versions [,1.6.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-JAVA-ORGJENKINSCIPLUGINS-3175575
  • published18 Dec 2022
  • disclosed24 May 2022
  • creditAlexander Brandes

Introduced: 24 May 2022

CVE-2021-21673  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

Upgrade org.jenkins-ci.plugins:cas-plugin to version 1.6.1 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass due to an improper determination that a redirect URL after login is legitimately pointing to Jenkins. This allows attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site after successful authentication.

CVSS Scores

version 3.1