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CVE-2021-36277

Estado: ModificadaAlta (7.8)—

Dell Command | Update, Dell Update, and Alienware Update versions before 4.3 contains an Improper Verification of Cryptographic Signature Vulnerability. A local authenticated malicious user may exploit this vulnerability by executing arbitrary code on the system.

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 (3)

Dell — Alienware Command Center ApplicationDell — Command | UpdateDell — Update/alienware Update

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-36277",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security_alert@emc.com",
        "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
      },
      {
        "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": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "Alienware Command Center (AWCC)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "4.3",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-09T21:15:08.417",
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/000190110",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://www.dell.com/support/kbdoc/000190110",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security_alert@emc.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Command | Update, Dell Update, and Alienware Update versions before 4.3 contains an Improper Verification of Cryptographic Signature Vulnerability. A local authenticated malicious user may exploit this vulnerability by executing arbitrary code on the system."
    },
    {
      "lang": "es",
      "value": "Las versiones de Dell Command | Update, Dell Update y Alienware Update anteriores a la 4.3 contienen una vulnerabilidad de verificación inadecuada de la firma criptográfica. Un usuario local malintencionado y autenticado puede explotar esta vulnerabilidad ejecutando código arbitrario en el sistema"
    }
  ],
  "lastModified": "2026-06-17T03:58:34.820",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:alienware_command_center_application:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1408F621-4D62-4C9C-89B0-0683035BA51D",
              "versionEndExcluding": "5.4.35.0"
            },
            {
              "criteria": "cpe:2.3:a:dell:command_\\|_update:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F41A51B1-256B-44FA-BC01-42CFD18F988C",
              "versionEndExcluding": "4.3.0"
            },
            {
              "criteria": "cpe:2.3:a:dell:update\\/alienware_update:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "70A7334D-36E9-4BA2-BB35-62E551AEAB0D",
              "versionEndExcluding": "4.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}