Description
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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- low
- User Action
- none
- Scope
- unchanged
- Confidentiality
- low
- Integrity
- none
- Availability
- none
- Weaknesses
- CWE-284CWE-20
Metadata
- Primary Vendor
- ROCKET.CHAT
- Published
- 9/23/2022
- Last Modified
- 5/22/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
rocket.chat : rocket.chatrocket.chat : rocket.chat
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