9.8
CRITICAL
CVE-2023-4612
Apereo CAS Improper Authentication Bypass
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.

INFO

Published Date :

Nov. 9, 2023, 2:15 p.m.

Last Modified :

Oct. 10, 2024, 4:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-4612 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apereo central_authentication_service
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-4612.

URL Resource
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-4612 vulnerability anywhere in the article.

  • cert.pl
Vulnerability in Apereo CAS software

CVE ID CVE-2023-4612 Publication date 03 November 2023 Vendor Apereo Foundation Product CAS Vulnerable versions All through 7.0.0-RC7 Vulnerability type (CWE) Improper Authentication (CWE-287) Report ... Read more

Published Date: Nov 03, 2023 (1 year ago)

The following table lists the changes that have been made to the CVE-2023-4612 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Oct. 10, 2024

    Action Type Old Value New Value
    Changed 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. 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.
    Added CWE CERT.PL CWE-302
    Removed CWE CERT.PL CWE-287
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 17, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://cert.pl/en/posts/2023/11/CVE-2023-4612/ No Types Assigned https://cert.pl/en/posts/2023/11/CVE-2023-4612/ Third Party Advisory
    Changed Reference Type https://cert.pl/posts/2023/11/CVE-2023-4612/ No Types Assigned https://cert.pl/posts/2023/11/CVE-2023-4612/ Third Party Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration OR *cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.0 *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc2:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc3:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc4:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc5:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc6:*:*:*:*:*:* *cpe:2.3:a:apereo:central_authentication_service:7.0.0:rc7:*:*:*:*:*:*
  • CVE Received by [email protected]

    Nov. 09, 2023

    Action Type Old Value New Value
    Added 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.
    Added Reference CERT.PL https://cert.pl/posts/2023/11/CVE-2023-4612/ [No types assigned]
    Added Reference CERT.PL https://cert.pl/en/posts/2023/11/CVE-2023-4612/ [No types assigned]
    Added CWE CERT.PL CWE-287
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4612 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4612 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.16 }} 0.06%

score

0.53576

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability