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CVE-2017-18870

Estado: ModificadaMedia (4.3)—

Se detectó un problema en Mattermost Server versiones anteriores a 4.5.0, 4.4.5 y 4.3.4. Manejó inapropiadamente el control de acceso de webhook en el caso de la función EnableOnlyAdminIntegrations

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)

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{
  "id": "CVE-2017-18870",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-06-19T17:15:11.787",
  "references": [
    {
      "url": "https://mattermost.com/security-updates/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://mattermost.com/security-updates/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Mattermost Server versiones anteriores a 4.5.0, 4.4.5 y 4.3.4. Manejó inapropiadamente  el control de acceso de webhook en el caso de la función EnableOnlyAdminIntegrations"
    }
  ],
  "lastModified": "2026-06-17T01:13:43.897",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6CB14F13-D2DB-4395-A0CA-FF719A916C83",
              "versionEndExcluding": "4.3.4"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E6D90B0D-7882-4818-B2BA-D2B1A92C6C58",
              "versionEndExcluding": "4.4.5",
              "versionStartIncluding": "4.4.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "251BF2C1-3E96-46BF-9AA4-F30A19AF68C7"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "56BAD3A2-A337-4A00-B546-0A106A593052"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D7394620-98B0-4859-B279-CF77E02D1F1C"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:4.5.0:rc4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F2D92720-E499-4ED0-B323-49F5840527E3"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}