{ "schema_version": "1.4.0", "id": "GHSA-463w-cvvx-2q2c", "modified": "2024-04-04T04:02:59Z", "published": "2023-05-12T00:30:17Z", "aliases": [ "CVE-2023-28357" ], "details": "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.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28357" }, { "type": "WEB", "url": "https://hackerone.com/reports/1445810" } ], "database_specific": { "cwe_ids": [ "CWE-200", "CWE-863" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2023-05-11T22:15:09Z" } }