Information disclosure in Rocket.chat

CVE-2021-22892

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.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.019 (78.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-22892: held from 0.019 to 0.019.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

  • Rocket.chat — versions 3.12.3, 3.12.4, 3.12.5
  • Rocket.chat Server — versions Fixed versions: 3.13, 3.12.2, 3.11.3

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22892?
CVE-2021-22892 is a high-severity vulnerability in Rocket.chat, classified under Information Disclosure. CVSS score: 7.5/10. Published 2021-05-27.
How severe is CVE-2021-22892?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22892 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.