« Volver al listado

CVE-2019-20000

Estado: ModificadaMedia (5.9)—

The malware scan function in BullGuard Premium Protection 20.0.371.8 has a TOCTOU issue that enables a symbolic link attack, allowing privileged files to be deleted.

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)

Bullguard — Premium Protection

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-20000",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-26T05:15:10.827",
  "references": [
    {
      "url": "https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/BullGuard/Privileged%20File%20Delete/v20.0.371.8/README.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/BullGuard/Privileged%20File%20Delete/v20.0.371.8/README.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The malware scan function in BullGuard Premium Protection 20.0.371.8 has a TOCTOU issue that enables a symbolic link attack, allowing privileged files to be deleted."
    },
    {
      "lang": "es",
      "value": "La función de escaneo de malware en BullGuard Premium Protection versión 20.0.371.8, presenta un problema TOCTOU lo que hace posible un ataque de enlace simbólico, permitiendo que archivos privilegiados sean eliminados."
    }
  ],
  "lastModified": "2026-06-17T02:29:49.043",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bullguard:premium_protection:20.0.371.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2D0721A-01E0-497E-9AE2-CF03BAA40309"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}