fkie_cve-2025-49222
Vulnerability from fkie_nvd
Published
2025-08-21 08:15
Modified
2025-08-22 18:09
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.8.x \u003c= 10.8.3, 10.5.x \u003c= 10.5.8, 9.11.x \u003c= 9.11.17, 10.9.x \u003c= 10.9.2, 10.10.x \u003c= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.8.x \u0026lt;= 10.8.3, 10.5.x \u0026lt;= 10.5.8, 9.11.x \u0026lt;= 9.11.17, 10.9.x \u0026lt;= 10.9.2, 10.10.x \u0026lt;= 10.10.0 no pueden validar los tipos de carga en sesiones de carga de cl\u00faster remoto, lo que permite que un administrador del sistema cargue tipos de archivos no adjuntos a trav\u00e9s de canales compartidos que potencialmente podr\u00edan ubicarse en directorios arbitrarios del sistema de archivos."
    }
  ],
  "id": "CVE-2025-49222",
  "lastModified": "2025-08-22T18:09:17.710",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 4.0,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-21T08:15:30.177",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}


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