Vulnerability CVE-2021-21809

Vulnerability CVE-2021-21809

Published: 2021-06-23 Modified: 2021-06-24

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.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	Moodle Authenticated Spelling Binary Remote Code Execution	Brandon Perry	12.10.2021

Type:

CWE-732

CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score	Impact Subscore	Exploitability Subscore
9/10	10/10	8/10

Exploit range	Attack complexity	Authentication
Remote	Low	Single time
Confidentiality impact	Integrity impact	Availability impact
Complete	Complete	Complete

Affected software
Moodle -> Moodle

References:

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277

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