CVE-2021-21809

CRITICAL9.1EPSS 72.9%

Moodle command execution vulnerability exists in the default legacy spellchecker plugin

Published: 5/24/2022Modified: 4/24/2024
Also known as:GHSA-c7jj-vfmr-j9mjBIT-moodle-2021-21809

Description

A command execution vulnerability exists in the default legacy spellchecker plugin in a few Moodle multiple specific versions. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

Affected packages (2)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References (4)