CVE-2021-39863

{"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 Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "Heap-based Buffer Overflow (CWE-122)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-29T15:40:54.000Z", "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 Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-09-14T23:00:00.000Z", "ID": "CVE-2021-39863", "STATE": "PUBLIC", "TITLE": "Adobe Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution"}, "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 Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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:3.1/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": "Heap-based Buffer Overflow (CWE-122)"}]}]}, "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": "2024-08-04T02:20:33.649Z"}, "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-2021-39863", "datePublished": "2021-09-29T15:40:54.558Z", "dateReserved": "2021-08-23T00:00:00.000Z", "dateUpdated": "2024-09-17T03:13:55.776Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "psirt@adobe.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "D19D3819-2ED8-48A7-A8A1-0A1AF6A7F1E5", "versionEndIncluding": "21.005.20060", "versionStartIncluding": "15.008.20082", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "B2FC4D9A-C9B4-45DD-9D8D-9FBD8C6DAA83", "versionEndIncluding": "21.005.20058", "versionStartIncluding": "15.008.20082", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "C69371A7-DB10-4407-8FD3-7DF99587F0F6", "versionEndIncluding": "21.005.20060", "versionStartIncluding": "15.008.20082", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "B2FC4D9A-C9B4-45DD-9D8D-9FBD8C6DAA83", "versionEndIncluding": "21.005.20058", "versionStartIncluding": "15.008.20082", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "matchCriteriaId": "7CD4CE56-464A-4679-91C3-527DA78BCFAE", "versionEndIncluding": "20.004.30006", "versionStartIncluding": "20.001.30005", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "matchCriteriaId": "39B2389A-9FDD-45DC-8CAD-637B8CA265D9", "versionEndIncluding": "20.004.30006", "versionStartIncluding": "20.001.30005", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_2017:*:*:*:*:classic_2017:*:*:*", "matchCriteriaId": "B1ADB86C-5DC2-4870-82E4-322A1E2768C4", "versionEndIncluding": "17.011.30199", "versionStartIncluding": "17.011.30059", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_2017:*:*:*:*:classic_2017:*:*:*", "matchCriteriaId": "53D77C9A-5AFC-46D2-BB92-BCBC6AD991FD", "versionEndIncluding": "17.011.30199", "versionStartIncluding": "17.011.30059", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "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 Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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."}, {"lang": "es", "value": "Acrobat Reader DC versiones 2021.005.20060 (y anteriores), versiones 2020.004.30006 (y anteriores), y versiones 2017.011.30199 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de desbordamiento del b\u00fafer cuando analizan un archivo PDF especialmente dise\u00f1ado. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr una ejecuci\u00f3n de c\u00f3digo arbitrario en el contexto del usuario actual. Es requerida una interacci\u00f3n del usuario para explotar este problema, ya que la v\u00edctima debe abrir un archivo malicioso"}], "id": "CVE-2021-39863", "lastModified": "2026-06-17T04:04:19.233", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "psirt@adobe.com", "type": "Secondary"}]}, "published": "2021-09-29T16:15:11.190", "references": [{"source": "psirt@adobe.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "psirt@adobe.com", "type": "Secondary"}]}

{}

{}