« Volver al listado

CVE-2025-8402

Estado: AnalizadaMedia (4.9)—

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Mattermost — Mattermost Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-8402",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-8402",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-21T17:20:44.403747Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "responsibledisclosure@mattermost.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "affectedData": [
        {
          "vendor": "Mattermost",
          "product": "Mattermost",
          "versions": [
            {
              "status": "affected",
              "version": "10.8.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.8.3"
            },
            {
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.5.8"
            },
            {
              "status": "affected",
              "version": "9.11.0",
              "versionType": "semver",
              "lessThanOrEqual": "9.11.17"
            },
            {
              "status": "affected",
              "version": "10.10.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "10.9.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.9.3"
            },
            {
              "status": "unaffected",
              "version": "10.11.0"
            },
            {
              "status": "unaffected",
              "version": "10.8.4"
            },
            {
              "status": "unaffected",
              "version": "10.5.9"
            },
            {
              "status": "unaffected",
              "version": "9.11.18"
            },
            {
              "status": "unaffected",
              "version": "10.10.1"
            },
            {
              "status": "unaffected",
              "version": "10.9.4"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-08-21T17:15:33.093",
  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "responsibledisclosure@mattermost.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        },
        {
          "lang": "en",
          "value": "CWE-1287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.8.x &lt;= 10.8.3, 10.5.x &lt;= 10.5.8, 9.11.x &lt;= 9.11.17, 10.10.x &lt;= 10.10.0, 10.9.x &lt;= 10.9.3 no pueden validar los datos de importación, lo que permite que un administrador del sistema bloquee el servidor a través de la función de importación masiva."
    }
  ],
  "lastModified": "2026-06-17T10:06:53.743",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E2C0E13-B52A-4539-80B6-DC0FE8FF2E56",
              "versionEndExcluding": "9.11.18",
              "versionStartIncluding": "9.11.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B95DCAE5-07C2-46B1-B03E-ED3FB9B2C568",
              "versionEndExcluding": "10.5.9",
              "versionStartIncluding": "10.5.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE00156D-6ACB-4F8C-BFFC-03A8127199A4",
              "versionEndExcluding": "10.8.4",
              "versionStartIncluding": "10.8.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB49CDD5-C206-4BEC-8CB5-D757DCC43208",
              "versionEndExcluding": "10.9.4",
              "versionStartIncluding": "10.9.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.10.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "881B8E63-A35D-4883-A388-E68BD5529883"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com"
}