CVE-2021-21673

CVSS V2 Medium 5.8 CVSS V3 Medium 6.1
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.
Overview
  • CVE ID
  • CVE-2021-21673
  • Assigner
  • jenkinsci-cert@googlegroups.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-30T17:15:09
  • Last Modified Date
  • 2021-07-06T17:07:47
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:jenkins:cas:*:*:*:*:*:jenkins:*:* 1 OR 1.6.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2387 Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/06/30/1 Mailing List Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:08:45 Added to TrackCVE
2022-12-05 05:15:57 2021-06-30T17:15Z 2021-06-30T17:15:09 CVE Published Date updated
2022-12-05 05:15:57 2021-07-06T17:07:47 CVE Modified Date updated
2022-12-05 05:15:57 Analyzed Vulnerability Status updated