Phishing Vulnerability in Jenkins CAS Plugin by Jenkins
CVE-2021-21673

6.1MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Cas Plugin
Vendor
CVE Published:
30 June 2021

What is CVE-2021-21673?

The Jenkins CAS Plugin up to version 1.6.0 contains a vulnerability that fails to correctly validate redirect URLs following user login. This flaw allows attackers to manipulate the system into believing that a malicious redirect URL is legitimate, subsequently directing unsuspecting users to phishing sites. As a result, user credentials and sensitive data may be compromised. It is crucial for users to update to the latest version of the plugin to mitigate this risk and protect against potential phishing attacks.

Affected Version(s)

Jenkins CAS Plugin <= 1.6.0

References

https://www.jenkins.io/security/advisory/2021-06-30/#SECU...
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http://www.openwall.com/lists/oss-security/2021/06/30/1
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CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.