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Rocket Chat CVE-2022-32226

MEDIUM
Improper Access Control (CWE-284)
2022-09-23 support@hackerone.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.7% exploitation probability (EPSS)

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AnalysisAI

An improper access control vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to input data in the getUsersOfRoom Meteor server method is not type validated, so that MongoDB query. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-284. An improper access control vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to input data in the getUsersOfRoom Meteor server method is not type validated, so that MongoDB query operator objects are accepted by the server, so that instead of a matching rid String a$regex query can be executed, bypassing the room access permission check for every but the first matching room. Affected products include: Rocket.Chat.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

An improper access control vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to input data in the getUsersOfRoom Meteor server method is not type validated, so that MongoDB query operator objects are accepted by the server, so that instead of a matching rid String a$regex query can be executed, bypassing the room access permission check for every but the first matching room.

Threat Intelligence Overview

EPSS Score
0.7%
Top 53% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.7%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +22
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
CVE-2021-22910 CRITICAL POC
9.8 Aug 09

A sanitization vulnerability exists in Rocket.Chat server versions <3.13.2, <3.12.4, <3.11.4 that allowed queries to an

CVE-2021-22911 CRITICAL POC
9.8 May 27

A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenti

CVE-2022-35248 HIGH POC
8.8 Sep 23

A improper authentication vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 that allowed two factor authentic

CVE-2022-32211 HIGH POC
8.8 Sep 23

A SQL injection vulnerability exists in Rocket.Chat <v3.18.6, <v4.4.4 and <v4.7.3 which can allow an attacker to retriev

CVE-2024-39713 HIGH POC
8.6 Aug 05

A Server-Side Request Forgery (SSRF) affects Rocket.Chat's Twilio webhook endpoint before version 6.10.1. Rated high sev

CVE-2026-23477 HIGH POC
7.7 Jan 14

Rocket.Chat versions prior to 6.12.0 expose the OAuth applications API endpoint to any authenticated user, allowing disc

CVE-2021-22892 HIGH POC
7.5 May 27

An information disclosure vulnerability exists in the Rocket.Chat server fixed v3.13, v3.12.2 & v3.11.3 that allowed ema

CVE-2022-30124 MEDIUM POC
6.8 Sep 23

An improper authentication vulnerability exists in Rocket.Chat Mobile App <4.14.1.22788 that allowed an attacker with ph

CVE-2022-32227 MEDIUM POC
6.5 Sep 23

A cleartext transmission of sensitive information exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 relating to Oauth token

CVE-2022-32220 MEDIUM POC
6.5 Sep 23

An information disclosure vulnerability exists in Rocket.Chat <v5 due to the getUserMentionsByChannel meteor server meth

CVE-2021-32832 MEDIUM POC
6.5 Aug 30

Rocket.Chat is an open-source fully customizable communications platform developed in JavaScript. Rated medium severity

CVE-2022-21830 MEDIUM POC
6.1 Apr 01

A blind self XSS vulnerability exists in RocketChat LiveChat <v1.9 that could allow an attacker to trick a victim pastin

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