CVE-2021-21809
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Moodle
PublishedJun 23, 2021
First seenJun 23, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moodle moodle | 3.10.0 | — |
| moodle/moodlePackagist | No range specified | — |
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