CVE-2021-21673

MEDIUM

Jenkins CAS Plugin < 1.6.0 - Open Redirect via Legitimacy Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/06/30/1

Scores

CVSS v3 6.1
EPSS 0.0008
EPSS Percentile 22.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

Status published
Products (2)
jenkins/cas < 1.6.0
org.jenkins-ci.plugins/cas-plugin 0 - 1.6.1Maven
Published Jun 30, 2021
Tracked Since Feb 18, 2026