CVE-2020-9399

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:avast:antivirus_for_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "2D67C721-9B5B-4753-A76D-1206D222B5C7", "versionEndExcluding": "12.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:avast:antivirus_pro:*:*:*:*:*:*:*:*", "matchCriteriaId": "C89FC3E4-F88F-4537-96E1-EF5F0C72B289", "versionEndExcluding": "12.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:avast:antivirus_pro_plus:*:*:*:*:*:*:*:*", "matchCriteriaId": "404A3BDE-494C-4F0A-B267-777CD16D18B7", "versionEndExcluding": "12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux."}, {"lang": "es", "value": "El motor de an\u00e1lisis de Avast AV permite la detecci\u00f3n de virus por medio de un archivo ZIP dise\u00f1ado. Esto afecta a las versiones anteriores a 12 definiciones de 200114-0 de Antivirus Pro, Antivirus Pro Plus y Antivirus para Linux."}], "id": "CVE-2020-9399", "lastModified": "2026-06-17T03:27:52.777", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-28T14:15:10.263", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Feb/35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Feb/35"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-436"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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