What’s Vulnerable › Vulnerabilities
CVE-2021-22892
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-05-27 · updated 2026-06-17
- Weakness: CWE-200
Description
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: before 3.11.3; from 3.12.0 before 3.12.2; 3.12.3, 3.12.4, 3.12.5 — fixed in 3.11.3, 3.12.2
How to fix
Upgrade to a fixed version: Rocket.Chat 3.11.3, 3.12.2. Check the vendor advisory for mitigations.
References
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