1. Home
  2. CVE Database
  3. CVE-2023-28357
MEDIUM · 4.3

CVE-2023-28357

A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members ...

Vulnerability Description

A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
Rocket.ChatRocket.Chat< 6.0.0

Related Weaknesses (CWE)

CWE-863CWE-200

References

FAQ

What is CVE-2023-28357?

CVE-2023-28357 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members ...

How severe is CVE-2023-28357?

CVE-2023-28357 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-28357?

Check the references section above for vendor advisories and patch information. Affected products include: Rocket.Chat Rocket.Chat.