Vulnerability · Published Nov 22, 2021 · Assigned by fedora
CVE-2021-3943
Critical 9.8
In plain English
A critical-severity improper input validation in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.4%top 15.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | moodle/moodle | 3.11.4 | GHSA-8jhp-2gcr-qw96 |
| Packagist | moodle/moodle | 3.10.8 | GHSA-8jhp-2gcr-qw96 |
| Packagist | moodle/moodle | 3.9.11 | GHSA-8jhp-2gcr-qw96 |
Affected products (as reported)
Weakness: CWE-20
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2021963 x_refsource_MISC
- https://moodle.org/mod/forum/discuss.php?d=429095 x_refsource_MISC