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CVE-2021-40854

Estado: ModificadaAlta (7.8)—

AnyDesk versiones anteriores a 6.2.6 y versiones 6.3.x anteriores a 6.3.3, permite a un usuario local alcanzar privilegios de administrador al usar la función Open Chat Log para lanzar un proceso privilegiado del Bloc de notas que puede lanzar otras aplicaciones

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)

Anydesk — Anydesk

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-40854",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-14T05:15:07.643",
  "references": [
    {
      "url": "https://anydesk.com/cve/2021-40854/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://anydesk.com/cve/2021-40854/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications."
    },
    {
      "lang": "es",
      "value": "AnyDesk versiones anteriores a 6.2.6 y versiones 6.3.x anteriores a 6.3.3, permite a un usuario local alcanzar privilegios de administrador al usar la función Open Chat Log para lanzar un proceso privilegiado del Bloc de notas que puede lanzar otras aplicaciones"
    }
  ],
  "lastModified": "2026-06-17T04:07:32.610",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E9EDB32D-D060-4919-84A6-28262F6B8491",
              "versionEndExcluding": "6.2.6",
              "versionStartIncluding": "3.1.0"
            },
            {
              "criteria": "cpe:2.3:a:anydesk:anydesk:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F9E67274-5C70-4121-9FFE-8C68AF7A510C",
              "versionEndIncluding": "6.3.2",
              "versionStartExcluding": "6.2.6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}