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Moodle Improper Access Control vulnerability

High severity GitHub Reviewed Published Feb 17, 2023 to the GitHub Advisory Database • Updated Mar 2, 2023

Package

composer moodle/moodle (Composer)

Affected versions

< 3.9.19
>= 3.10.0, < 3.11.12
>= 4.0.0-beta, < 4.0.6
>= 4.1.0-beta, < 4.1.1

Patched versions

3.9.19
3.11.12
4.0.6
4.1.1

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.

References

Published by the National Vulnerability Database Feb 17, 2023
Published to the GitHub Advisory Database Feb 17, 2023
Last updated Mar 2, 2023
Reviewed Mar 2, 2023

Severity

High
8.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses

CVE ID

CVE-2023-23923

GHSA ID

GHSA-32jc-9p58-p82x

Source code

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