{
  "id": "CVE-2021-33602",
  "sourceIdentifier": "cve-notifications-us@f-secure.com",
  "published": "2021-10-06T10:15:07.823",
  "lastModified": "2024-11-21T06:09:10.913",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability affecting the F-Secure Antivirus engine was discovered when the engine tries to unpack a zip archive (LZW decompression method), and this can crash the scanning engine. The vulnerability can be exploited remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad que afecta al motor de F-Secure Antivirus cuando el motor intenta descomprimir un archivo zip (m\u00e9todo de descompresi\u00f3n LZW), y esto puede bloquear el motor de an\u00e1lisis. La vulnerabilidad puede ser explotada remotamente por un atacante. Un ataque con \u00e9xito resultar\u00e1 en una Denegaci\u00f3n de Servicio del motor Antivirus"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "cve-notifications-us@f-secure.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.4
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0C97DC3C-1B63-4B57-8C62-ACD77D0A3E71"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:f-secure:cloud_protection:*:*:*:*:*:salesforce:*:*",
              "matchCriteriaId": "A1A84F73-7263-4B3E-85E8-8595FD64A948"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "88F6E1F2-02DA-48EE-B127-4933CCC80C5C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8EBE4C11-5678-420C-ACC1-B92B095C6D1B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
      "source": "cve-notifications-us@f-secure.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}