{
  "id": "CVE-2024-39807",
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "published": "2024-07-03T09:15:07.210",
  "lastModified": "2024-07-03T09:15:07.210",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.5.x <= 9.5.5 and 9.8.0\u00a0fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 3.1,
          "baseSeverity": "LOW"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 1.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "source": "responsibledisclosure@mattermost.com"
    }
  ]
}