{
  "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"
  }
}