Vulnerability Monitor

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CVE-2021-21673

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.

Published

2021-06-30T17:15:09.160

Last Modified

2024-11-21T05:48:48.467

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	jenkins	cas	≤ 1.6.0	Yes

References

http://www.openwall.com/lists/oss-security/2021/06/30/1 Mailing List, Third Party Advisory ([email protected])
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2387 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/06/30/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2387 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)