FKIE_CVE-2025-41410

Vulnerability from fkie_nvd - Published: 2025-10-16 09:15 - Updated: 2026-10-19 16:10
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "10.10.2",
              "status": "affected",
              "version": "10.10.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.5.10",
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.11.2",
              "status": "affected",
              "version": "10.11.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "10.12.0"
            },
            {
              "status": "unaffected",
              "version": "10.10.3"
            },
            {
              "status": "unaffected",
              "version": "10.5.11"
            },
            {
              "status": "unaffected",
              "version": "10.11.3"
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A7F5FBF-4910-4376-96DF-0549BA5259AE",
              "versionEndExcluding": "10.5.11",
              "versionStartIncluding": "10.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "409352A4-2061-42B0-B130-F6889A62025A",
              "versionEndExcluding": "10.10.3",
              "versionStartIncluding": "10.10.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D4B91178-97CA-4799-A853-685F04C33F9E",
              "versionEndExcluding": "10.11.3",
              "versionStartIncluding": "10.11.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.10.x \u003c= 10.10.2, 10.5.x \u003c= 10.5.10, 10.11.x \u003c= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions"
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.10.x menor o igual que 10.10.2, 10.5.x menor o igual que 10.5.10, 10.11.x menor o igual que 10.11.2 no validan la propiedad del correo electr\u00f3nico durante el proceso de importaci\u00f3n de Slack, lo que permite a los atacantes crear cuentas de usuario verificadas con dominios de correo electr\u00f3nico arbitrarios mediante datos de importaci\u00f3n de Slack maliciosos para eludir las restricciones de acceso a equipos basadas en correo electr\u00f3nico."
    }
  ],
  "id": "CVE-2025-41410",
  "lastModified": "2026-10-19T16:10:00.260",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-41410",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-16T13:59:31.979617Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-16T09:15:33.313",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}



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