FKIE_CVE-2026-40639

Vulnerability from fkie_nvd - Published: 2026-06-09 19:17 - Updated: 2026-07-23 09:10
Severity
5.7 (Medium) - CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.
References
security_alert@emc.comhttps://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Dell Edge Gateway 3000",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.26.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Dell Edge Gateway 5000",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.36.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DELL EMBEDDED PC 3000",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.32.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "DELL EMBEDDED PC 5000",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.33.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Dell Precision 3630 Tower",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.40.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Dell Precision 3930 Rack",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.43.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Latitude 7220 Rugged Extreme",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.51.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Latitude Rugged 5420",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.42.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Latitude Rugged 5424",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.42.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Latitude Rugged 7220EX",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.51.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Latitude Rugged 7424",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.42.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Precision 3930 Rack",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.43.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges."
    },
    {
      "lang": "es",
      "value": "Dell Client Platform BIOS contiene una vulnerabilidad de codificaci\u00f3n d\u00e9bil para contrase\u00f1as. Un atacante no autenticado con acceso f\u00edsico podr\u00eda potencialmente explotar esta vulnerabilidad, lo que podr\u00eda llevar a una Elevaci\u00f3n de Privilegios."
    }
  ],
  "id": "CVE-2026-40639",
  "lastModified": "2026-07-23T09:10:00.113",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.2,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-40639",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-09T18:58:36.468011Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T19:17:53.043",
  "references": [
    {
      "source": "security_alert@emc.com",
      "url": "https://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-261"
        }
      ],
      "source": "security_alert@emc.com",
      "type": "Secondary"
    }
  ]
}



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