CVE-2020-4020

{"containers": {"cna": {"affected": [{"product": "Companion App", "vendor": "Atlassian", "versions": [{"lessThan": "1.0.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2020-04-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure."}], "problemTypes": [{"descriptions": [{"description": "Protected Mechanism Failure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-01T06:35:33.000Z", "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "shortName": "atlassian"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jira.atlassian.com/browse/CONFSERVER-59733"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@atlassian.com", "DATE_PUBLIC": "2020-04-21T00:00:00", "ID": "CVE-2020-4020", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Companion App", "version": {"version_data": [{"version_affected": "<", "version_value": "1.0.0"}]}}]}, "vendor_name": "Atlassian"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Protected Mechanism Failure"}]}]}, "references": {"reference_data": [{"name": "https://jira.atlassian.com/browse/CONFSERVER-59733", "refsource": "MISC", "url": "https://jira.atlassian.com/browse/CONFSERVER-59733"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.594Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jira.atlassian.com/browse/CONFSERVER-59733"}]}]}, "cveMetadata": {"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66", "assignerShortName": "atlassian", "cveId": "CVE-2020-4020", "datePublished": "2020-06-01T06:35:33.411Z", "dateReserved": "2019-12-30T00:00:00.000Z", "dateUpdated": "2024-09-16T17:29:09.909Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Companion App", "vendor": "Atlassian", "versions": [{"lessThan": "1.0.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@atlassian.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:companion:*:*:*:*:*:*:*:*", "matchCriteriaId": "0633F948-1149-4BD9-864E-DCA8E182DA76", "versionEndExcluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The file downloading functionality in the Atlassian Companion App before version 1.0.0 allows remote attackers, who control a Confluence Server instance that the Companion App is connected to, execute arbitrary .exe files via a Protection Mechanism Failure."}, {"lang": "es", "value": "La funcionalidad file downloading en la Atlassian Companion App versiones anteriores a 1.0.0, permite a atacantes remotos, que controlan una instancia de Confluence Server a la que est\u00e1 conectada la Companion App, ejecutar archivos .exe arbitrarios por medio de un Fallo del Mecanismo de Protecci\u00f3n."}], "id": "CVE-2020-4020", "lastModified": "2026-06-17T03:19:26.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-01T07:15:11.063", "references": [{"source": "security@atlassian.com", "tags": ["Vendor Advisory"], "url": "https://jira.atlassian.com/browse/CONFSERVER-59733"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://jira.atlassian.com/browse/CONFSERVER-59733"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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