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CVE-2024-32939

Status: AnalyzedLow (3.7)—

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mattermost — Mattermost

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-32939",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-32939",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-22T13:26:39.917242Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "responsibledisclosure@mattermost.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "affectedData": [
        {
          "vendor": "Mattermost",
          "product": "Mattermost",
          "versions": [
            {
              "status": "affected",
              "version": "9.9.0",
              "versionType": "semver",
              "lessThanOrEqual": "9.9.1"
            },
            {
              "status": "affected",
              "version": "9.5.0",
              "versionType": "semver",
              "lessThanOrEqual": "9.5.7"
            },
            {
              "status": "affected",
              "version": "9.10.0"
            },
            {
              "status": "affected",
              "version": "9.8.0",
              "versionType": "semver",
              "lessThanOrEqual": "9.8.2"
            },
            {
              "status": "unaffected",
              "version": "9.11.0"
            },
            {
              "status": "unaffected",
              "version": "9.9.2"
            },
            {
              "status": "unaffected",
              "version": "9.5.8"
            },
            {
              "status": "unaffected",
              "version": "9.10.1"
            },
            {
              "status": "unaffected",
              "version": "9.8.3"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2024-08-22T07:15:03.353",
  "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-284"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-312"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.\""
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 9.9.x &lt;= 9.9.1, 9.5.x &lt;= 9.5.7, 9.10.x &lt;= 9.10.0, 9.8.x &lt;= 9.8.2, cuando los canales compartidos están habilitados, no se pueden redactar las direcciones de correo electrónico originales de los usuarios remotos almacenadas en las propiedades del usuario cuando las direcciones de correo electrónico están configuradas para no ser visibles en el servidor local."
    }
  ],
  "lastModified": "2026-06-17T07:30:44.293",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7FEEA8D7-745A-49FF-8B01-CA0D1D820D48",
              "versionEndExcluding": "9.5.8",
              "versionStartIncluding": "9.5.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B9B4EAB-A618-4823-BECD-0BFD3D76A9D2",
              "versionEndExcluding": "9.8.3",
              "versionStartIncluding": "9.8.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A445A478-E185-49DF-8CDC-F42BBF8577D4",
              "versionEndExcluding": "9.9.2",
              "versionStartIncluding": "9.9.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0CA40F21-914D-4891-A578-02E6F35FE249",
              "versionEndExcluding": "9.10.1",
              "versionStartIncluding": "9.10.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com"
}