{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by \"hollowing\" trusted process which could lead to the bypassing of Avast self-defense."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-27T12:57:43", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-45339", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by \"hollowing\" trusted process which could lead to the bypassing of Avast self-defense."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0", "refsource": "MISC", "url": "https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0"}, {"name": "https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0", "refsource": "MISC", "url": "https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:39:20.486Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-45339", "datePublished": "2021-12-27T12:57:43", "dateReserved": "2021-12-20T00:00:00", "dateUpdated": "2024-08-04T04:39:20.486Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*", "matchCriteriaId": "9530DCD6-2AE4-4E7E-A67A-5E5F87CE3DF3", "versionEndExcluding": "20.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by \"hollowing\" trusted process which could lead to the bypassing of Avast self-defense."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios en Avast Antivirus versiones anteriores a 20.4, permite a un usuario local alcanzar privilegios elevados al \"vaciar\" los procesos confiables, lo que podr\u00eda conllevar a una omisi\u00f3n de la autodefensa de Avast"}], "id": "CVE-2021-45339", "lastModified": "2022-07-12T17:42:04.277", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-27T14:15:08.357", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST0"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}