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CVE-2020-8109

Estado: ModificadaAlta (7.5)—

A vulnerability has been discovered in the ace.xmd parser that results from a lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. This can result in denial-of-service. This issue affects: Bitdefender Engines version 7.84892 and prior versions.

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)

Bitdefender — Engines

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-8109",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-requests@bitdefender.com",
        "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:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  },
  "affected": [
    {
      "source": "cve-requests@bitdefender.com",
      "affectedData": [
        {
          "vendor": "Bitdefender",
          "product": "Bitdefender Engines",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "7.84892"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-10-01T13:15:12.443",
  "references": [
    {
      "url": "https://www.bitdefender.com/support/security-advisories/bitdefender-ace-xmd-parser-out-of-bounds-write-va-8772",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-requests@bitdefender.com"
    },
    {
      "url": "https://www.bitdefender.com/support/security-advisories/bitdefender-ace-xmd-parser-out-of-bounds-write-va-8772",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-requests@bitdefender.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been discovered in the ace.xmd parser that results from a lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. This can result in denial-of-service. This issue affects: Bitdefender Engines version 7.84892 and prior versions."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad en el analizador ace.xmd que resulta de una falta de comprobación apropiada de los datos suministrados por el usuario, lo que puede resultar en una escritura más allá del final de un búfer asignado. Esto puede resultar en una denegación de servicio. Este problema afecta a: Bitdefender Engines versiones 7.84892 y versiones anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:25:52.657",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "C8E80377-732D-4BCD-8E66-C56CF6E623B1",
              "versionEndIncluding": "7.84892"
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          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "cve-requests@bitdefender.com"
}