CVE-2025-43991

{
  "id": "CVE-2025-43991",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-13T15:16:04.267",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SupportAssist for Home PCs versions 4.8.2 and prior and SupportAssist for Business PCs versions 4.5.3 and prior, contain an UNIX Symbolic Link (Symlink) following vulnerability. A low privileged attacker with local access to the system could potentially exploit this vulnerability to delete arbitrary files only in that affected system."
    },
    {
      "lang": "es",
      "value": "SupportAssist para Home PCs versiones 4.8.2 y anteriores y SupportAssist para Business PCs versiones 4.5.3 y anteriores, contienen una vulnerabilidad de seguimiento de enlace simbólico (Symlink) de UNIX. Un atacante con privilegios bajos con acceso local al sistema podría potencialmente explotar esta vulnerabilidad para eliminar archivos arbitrarios solo en ese sistema afectado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Dell",
          "product": "SupportAssist for Home PCs",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "N/A",
              "lessThan": "4.10.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Dell",
          "product": "SupportAssist for Business PCs",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "N/A",
              "lessThan": "4.9.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.2
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-10-14T14:34:16.209824Z",
          "id": "CVE-2025-43991",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-61"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dell:supportassist_for_business_pcs:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.5.3.25254",
              "matchCriteriaId": "9831B6C9-0619-4B5A-9985-9DA11E36E9C8"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.8.2.29006",
              "matchCriteriaId": "6BD98898-301B-460B-9A13-3F6C904CF98C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000378367/dsa-2025-362-security-update-for-dell-supportassist-for-home-pcs-and-dell-supportassist-for-business-pcs-vulnerabilities",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}