CVE Vulnerability

CVE-2021-21809

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277 Third Party Advisory Exploit
http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:moodle:moodle:3.10.0:-:*:*:*:*:*:*
Information

Published : 2021-06-23 10:15

Updated : 2022-08-24 07:43

NVD link : CVE-2021-21809

Mitre link : CVE-2021-21809

Products Affected
No products.
CWE
CWE-78