{"containers":{"cna":{"affected":[{"product":"Acrobat Reader","vendor":"Adobe","versions":[{"lessThanOrEqual":"DC 2021 July","status":"affected","version":"unspecified","versionType":"custom"},{"lessThanOrEqual":"20.0-Classic 2021 July","status":"affected","version":"unspecified","versionType":"custom"},{"lessThanOrEqual":"17.0-Classic 2021 July","status":"affected","version":"unspecified","versionType":"custom"},{"lessThanOrEqual":"None","status":"affected","version":"unspecified","versionType":"custom"}]}],"datePublic":"2021-09-14T00:00:00.000Z","descriptions":[{"lang":"en","value":"Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"Use After Free (CWE-416)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-09-29T15:38:04.000Z","orgId":"078d4453-3bcd-4900-85e6-15281da43538","shortName":"adobe"},"references":[{"tags":["x_refsource_MISC"],"url":"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}],"source":{"discovery":"EXTERNAL"},"title":"Adobe Acrobat Reader DC messageHandler.OnMessage Use-After-Free Vulnerability","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@adobe.com","DATE_PUBLIC":"2021-09-14T23:00:00.000Z","ID":"CVE-2021-39842","STATE":"PUBLIC","TITLE":"Adobe Acrobat Reader DC messageHandler.OnMessage Use-After-Free Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Acrobat Reader","version":{"version_data":[{"version_affected":"<=","version_value":"DC 2021 July"},{"version_affected":"<=","version_value":"20.0-Classic 2021 July"},{"version_affected":"<=","version_value":"17.0-Classic 2021 July"},{"version_affected":"<=","version_value":"None"}]}}]},"vendor_name":"Adobe"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}]},"impact":{"cvss":{"attackComplexity":"Low","attackVector":"Local","availabilityImpact":"High","baseScore":7.8,"baseSeverity":"High","confidentialityImpact":"High","integrityImpact":"High","privilegesRequired":"None","scope":"Unchanged","userInteraction":"Required","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Use After Free (CWE-416)"}]}]},"references":{"reference_data":[{"name":"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html","refsource":"MISC","url":"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}]},"source":{"discovery":"EXTERNAL"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T02:20:33.594Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}]}]},"cveMetadata":{"assignerOrgId":"078d4453-3bcd-4900-85e6-15281da43538","assignerShortName":"adobe","cveId":"CVE-2021-39842","datePublished":"2021-09-29T15:38:04.665Z","dateReserved":"2021-08-23T00:00:00.000Z","dateUpdated":"2024-09-17T01:10:29.759Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}