Description
Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allows Multi-Factor Authentication bypass.This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability.
References (2)
Core 2
Core References
Third Party Advisory third-party-advisory
https://cert.pl/posts/2023/11/CVE-2023-4612/
Third Party Advisory third-party-advisory
https://cert.pl/en/posts/2023/11/CVE-2023-4612/
Scores
CVSS v3
9.8
EPSS
0.0094
EPSS Percentile
56.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-287
CWE-302
Status
published
Products (2)
apereo/central_authentication_service
7.0.0 rc1 (7 CPE variants)
apereo/central_authentication_service
< 7.0.0
Published
Nov 09, 2023
Tracked Since
Feb 18, 2026