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CVE-2023-4612

MFA bypass in Apereo CAS

Published: Nov 9, 2023Updated: Feb 26, 2025 Sources: CVE List NVDCWE-302
9.8CRITICAL
NVD MITRE
EPSS Score
0.9%
Top 41.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-302CWE-287

Affected Products

Apereo Foundation
oss-project
CASOn-prem
Security Products / identity-access-mgmt
apereo
oss-projectaka opencast, phpcas, central authentication service, cas
central authentication serviceMixed
Cloud & SaaS / saas-application

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

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