CVEvulnerability

CVE-2021-21809

9.1 CRITICAL Published 2021-06-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0 ([email protected])
8.2 HIGH — CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L
CVSS 2.0 ([email protected])
9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Weaknesses
CWE-78

Description

A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

Affected configurations

• moodle moodle 3.10.0

Related

Weakness · CWE (1)

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References