CVE-2023-28357 describes an information disclosure vulnerability in Rocket.Chat, affecting its core product. An authenticated user can exploit a flaw in the /mute slash command's Access Control List (ACL) checks to determine if a specific username is a member of a private channel, even without access to that channel. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and requires local user privileges, leading to a limited impact of information leakage. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.0.0CPE matchmatch criteria | cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.