CVE-2021-22892: Rocket.chat

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in the Rocket.Chat server fixed v3.13, v3.12.2 & v3.11.3 that allowed email addresses to be disclosed by enumeration and validation checks.

Affected products

• Rocket.chat Rocket.chat: before 3.11.3 (fixed in 3.11.3); from 3.12.0, before 3.12.2 (fixed in 3.12.2); version 3.12.3 only; version 3.12.4 only; version 3.12.5 only

Published 2021-05-27. Last modified 2026-06-17.