{"containers": {"cna": {"affected": [{"product": "Acrobat Reader", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "2020.013.20074", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "2020.001.30018", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "2017.011.30188", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "None", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-02-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/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": "2021-02-11T19:42:20.000Z", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"}], "source": {"discovery": "EXTERNAL"}, "title": "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": "2021-02-09T23:00:00.000Z", "ID": "CVE-2021-21017", "STATE": "PUBLIC", "TITLE": "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": "2020.013.20074"}, {"version_affected": "<=", "version_value": "2020.001.30018"}, {"version_affected": "<=", "version_value": "2017.011.30188"}, {"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 versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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": "None", "attackVector": "None", "availabilityImpact": "None", "baseScore": 8.8, "baseSeverity": "High", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "None", "userInteraction": "None", "vectorString": "CVSS:3.1/AV:N/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/apsb21-09.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:23.127Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-21017", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-04T21:28:57.359205Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21017"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21017", "tags": ["government-resource"]}], "timeline": [{"time": "2021-11-03T00:00:00+00:00", "lang": "en", "value": "CVE-2021-21017 added to CISA KEV"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:35:28.186Z"}}]}, "cveMetadata": {"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-21017", "datePublished": "2021-02-11T19:42:20.225Z", "dateReserved": "2020-12-18T00:00:00.000Z", "dateUpdated": "2025-10-21T23:35:28.186Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:23.127Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-21017", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-04T21:28:57.359205Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21017"}}}], "timeline": [{"lang": "en", "time": "2021-11-03T00:00:00+00:00", "value": "CVE-2021-21017 added to CISA KEV"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T21:29:05.308Z"}}], "cna": {"title": "Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution", "source": {"discovery": "EXTERNAL"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Adobe", "product": "Acrobat Reader", "versions": [{"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "2020.013.20074"}, {"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "2020.001.30018"}, {"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "2017.011.30188"}, {"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "None"}]}], "datePublic": "2021-02-09T00:00:00.000Z", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "Heap-based Buffer Overflow (CWE-122)"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2021-02-11T19:42:20.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "None", "version": "3.1", "baseScore": 8.8, "attackVector": "None", "baseSeverity": "High", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "None", "userInteraction": "None", "attackComplexity": "None", "availabilityImpact": "None", "privilegesRequired": "None", "confidentialityImpact": "None"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "2020.013.20074", "version_affected": "<="}, {"version_value": "2020.001.30018", "version_affected": "<="}, {"version_value": "2017.011.30188", "version_affected": "<="}, {"version_value": "None", "version_affected": "<="}]}, "product_name": "Acrobat Reader"}]}, "vendor_name": "Adobe"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Heap-based Buffer Overflow (CWE-122)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-21017", "STATE": "PUBLIC", "TITLE": "Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution", "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-02-09T23:00:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2021-21017", "state": "PUBLISHED", "dateUpdated": "2025-10-21T19:54:12.008Z", "dateReserved": "2020-12-18T00:00:00.000Z", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "datePublished": "2021-02-11T19:42:20.225Z", "assignerShortName": "adobe"}, "dataVersion": "5.1"}

{"cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "matchCriteriaId": "CC23AA00-FC0B-4CA7-83CF-D11CB679630C", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "matchCriteriaId": "2B0D84BC-88D8-4B29-BF4C-DE3D27D0EFF3", "versionEndIncluding": "20.001.30018", "versionStartIncluding": "20.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "BAA2B3BC-EA31-445B-9D6F-1A3D86030F98", "versionEndIncluding": "20.013.20074", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "matchCriteriaId": "33305687-D4B1-4A48-B6B3-0619038243BF", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "matchCriteriaId": "4B989379-B8B7-4FA7-9319-F0FB8CA2253C", "versionEndIncluding": "20.001.300183", "versionStartIncluding": "20.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "matchCriteriaId": "E5BC145F-0696-4B2F-AEC5-4FDB25E8EA6E", "versionEndIncluding": "20.013.20074", "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 versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. 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 2020.013.20074 (y anteriores), versiones 2020.001.30018 (y anteriores) y versiones 2017.011.30188 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria.&#xa0;Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para alcanzar una ejecuci\u00f3n de c\u00f3digo arbitraria en el contexto del usuario actual.&#xa0;Una explotaci\u00f3n de este problema requiere una interacci\u00f3n del usuario, ya que la v\u00edctima debe abrir un archivo malicioso"}], "id": "CVE-2021-21017", "lastModified": "2025-10-23T14:51:12.120", "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": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@adobe.com", "type": "Secondary"}]}, "published": "2021-02-11T20:15:13.997", "references": [{"source": "psirt@adobe.com", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21017"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "psirt@adobe.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}