CVE-2023-4612

CRITICAL EPSS 56.5%
Published Nov 9, 20232y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Nov 9, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
56.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-287 Improper Authentication Authentication
CWE-302

Affected Products 8

VendorProductVersionRange
apereocentral_authentication_service* <7.0.0
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any
apereocentral_authentication_service7.0.0any

References 2

  • cert.pl https://cert.pl/en/posts/2023/11/CVE-2023-4612/
    Third Party Advisory
  • cert.pl https://cert.pl/posts/2023/11/CVE-2023-4612/
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.