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CVE-2021-21673

Date: June 30, 2021

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.

Language: Java

Severity Score

Related Resources (4)

https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2387
https://nvd.nist.gov/vuln/detail/CVE-2021-21673
http://www.openwall.com/lists/oss-security/2021/06/30/1
https://www.mend.io/vulnerability-database/CVE-2021-21673

Severity Score

Weakness Type (CWE)

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE
Additional information:

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