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CVE-2023-28357

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CVSS 3.1
4.3 medium
EPSS
<1%p35
Published
()
Modified
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.

Vendors
rocket.chat
Products
rocket.chat
Weakness
CWE-200, CWE-863
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news

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