Auth bypass in Apereo Central Authentication Service
CVE-2023-4612
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Apereo Central Authentication Service — versions 7.0.0
- Apereo Foundation Cas — versions 0
Weakness classification (CWE)
References
- cert.pl/posts/2023/11/CVE-2023-4612/ (Third Party Advisory, third-party-advisory)
- cert.pl/en/posts/2023/11/CVE-2023-4612/ (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-4612?
- CVE-2023-4612 is a critical-severity vulnerability in Apereo Central Authentication Service, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 9.8/10. Published 2023-11-09.
- How severe is CVE-2023-4612?
- Critical severity. CVSS v3 base score is 9.8 out of 10.