8.2
HIGH
CVE-2023-23923
Moodle Unauthorized Start Page Preference Manipulation Vulnerability
Description

The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

INFO

Published Date :

Feb. 17, 2023, 8:15 p.m.

Last Modified :

July 3, 2024, 1:39 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-23923 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-23923 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 Moodle moodle
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-2023-23923.

URL Resource
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2162549 Issue Tracking Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=443274#p1782023 Vendor 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).

Сканування за допомогою ПЗ Badmoodle системи дистанційного навчання ДУІТЗ

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : June 19, 2024, 7:56 a.m. This repo has been linked 181 different CVEs too.

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

The following list is the news that have been mention CVE-2023-23923 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-23923 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 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-284
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Feb. 28, 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:L/A:N
    Changed Reference Type http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862 No Types Assigned http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862 Patch
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2162549 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2162549 Issue Tracking, Third Party Advisory
    Changed Reference Type https://moodle.org/mod/forum/discuss.php?d=443274#p1782023 No Types Assigned https://moodle.org/mod/forum/discuss.php?d=443274#p1782023 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.9.0 up to (excluding) 3.9.19 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.11.0 up to (excluding) 3.11.12 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.0.6 *cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*
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-2023-23923 is associated with the following CWEs:

Exploit Prediction

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

0.27 }} 0.02%

score

0.68213

percentile

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