CVE-2023-4612

moderate-risk
Published 2023-11-09

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Central Authentication Service
Central Authentication Service
Central Authentication Service
Central Authentication Service
Central Authentication Service
Central Authentication Service
Central Authentication Service
Central Authentication Service

Affected Vendors

Apereo

References (4)

Third Party Advisory https://cert.pl/en/posts/2023/11/CVE-2023-4612/
Third Party Advisory https://cert.pl/posts/2023/11/CVE-2023-4612/
Third Party Advisory https://cert.pl/en/posts/2023/11/CVE-2023-4612/
Third Party Advisory https://cert.pl/posts/2023/11/CVE-2023-4612/
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate