CVE-2023-4612

9.8 criticalEPSS 1.1%

Critical (9.8) in apereo central authentication service. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWEs: CWE-287, CWE-302
Published: 2023-11-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apereo:central_authentication_service

References

https://cert.pl/en/posts/2023/11/CVE-2023-4612/
https://cert.pl/posts/2023/11/CVE-2023-4612/
https://cert.pl/en/posts/2023/11/CVE-2023-4612/
https://cert.pl/posts/2023/11/CVE-2023-4612/

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