---
cve: "CVE-2021-20185"
severity: "LOW"
cvss: 3.1
epss: "1.4%"
vendor: "n/a"
kev: false
exploited: false
published: "2021-01-28 20:15:13"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T23:48:17+02:00"
---

# CVE-2021-20185

> 3.1 LOW

## Beschreibung

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.

## Patch verfügbar (OSV)

- bbf242efb086307a0af9367d6caea08649b261d1 (Commit)
- 323c12674aa74d327ded9f5e44458cd5d1aea174 (Commit)

## Referenzen

- <https://moodle.org/mod/forum/discuss.php?d=417168>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-20185) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_