Vulnerability · Published Jan 28, 2021 · Assigned by redhat

CVE-2021-20185

Medium 5.3

In plain English

A medium-severity uncontrolled resource consumption in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle3.5.16GHSA-c3j6-33r4-89q3
Packagistmoodle/moodle3.8.7GHSA-c3j6-33r4-89q3
Packagistmoodle/moodle3.9.4GHSA-c3j6-33r4-89q3
Packagistmoodle/moodle3.10.1GHSA-c3j6-33r4-89q3

Affected products (as reported)

VendorProductVersions
n/a moodle moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16

Weakness: CWE-400

References