Access Control Bypass Affecting moodle/moodle package, versions <4.1.12 >=4.2.0, <4.2.9 >=4.3.0, <4.3.6 >=4.4.0, <4.4.2


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-PHP-MOODLEMOODLE-8350901
  • published 7 Nov 2024
  • disclosed 7 Nov 2024
  • credit Paul Holden

How to fix?

Upgrade moodle/moodle to version 4.1.12, 4.2.9, 4.3.6, 4.4.2 or higher.

Overview

moodle/moodle is a learning platform.

Affected versions of this package are vulnerable to Access Control Bypass due to improper verification of message recipients in the non-respondents report feature. An attacker can send messages to arbitrary site users by exploiting this verification flaw.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
8.7 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    High
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None