{
  "id": "CVE-2024-39837",
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "published": "2024-08-01T15:15:12.790",
  "lastModified": "2024-08-01T16:45:25.400",
  "vulnStatus": "Undergoing Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation\u00a0which allows\u00a0a malicious remote to create arbitrary channels,\u00a0when shared channels were enabled."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 3.8,
          "baseSeverity": "LOW"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 2.5
      }
    ]
  },
  "weaknesses": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "source": "responsibledisclosure@mattermost.com"
    }
  ]
}