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CVE-2021-3423

Estado: ModificadaAlta (7.8)—

Uncontrolled Search Path Element vulnerability in the openssl component as used in Bitdefender GravityZone Business Security allows an attacker to load a third party DLL to elevate privileges. This issue affects Bitdefender GravityZone Business Security versions prior to 6.6.23.329.

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 — Gravityzone Business Security

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3423",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-requests@bitdefender.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.1
      },
      {
        "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
      }
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  },
  "affected": [
    {
      "source": "cve-requests@bitdefender.com",
      "affectedData": [
        {
          "vendor": "BItdefender",
          "product": "GravityZone Business Security",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "6.6.23.329",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-05-18T11:15:07.647",
  "references": [
    {
      "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-requests@bitdefender.com"
    },
    {
      "url": "https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-requests@bitdefender.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Uncontrolled Search Path Element vulnerability in the openssl component as used in Bitdefender GravityZone Business Security allows an attacker to load a third party DLL to elevate privileges. This issue affects Bitdefender GravityZone Business Security versions prior to 6.6.23.329."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad del elemento de ruta de búsqueda no controlada en el componente openssl como es usado en Bitdefender GravityZone Business Security, permite a un atacante cargar una DLL de terceros para escalar privilegios. Este problema afecta a Bitdefender GravityZone Business Security versiones anteriores a 6.6.23.329"
    }
  ],
  "lastModified": "2026-06-17T04:05:03.747",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bitdefender:gravityzone_business_security:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EB79C8A5-2085-4D8E-BCB3-33341C1F5F0E",
              "versionEndExcluding": "6.6.23.329"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-requests@bitdefender.com"
}