{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-34970", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2021-06-17T19:27:05.657Z", "datePublished": "2024-05-07T22:54:43.051Z", "dateUpdated": "2024-08-04T00:26:55.785Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2024-05-07T22:54:43.051Z"}, "title": "Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability", "descriptions": [{"lang": "en", "value": "Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849."}], "affected": [{"vendor": "Foxit", "product": "PDF Reader", "versions": [{"version": "11.0.1.49938", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-134", "description": "CWE-134: Use of Externally-Controlled Format String", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/", "name": "ZDI-21-1201", "tags": ["x_research-advisory"]}, {"url": "https://www.foxit.com/support/security-bulletins.html", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2021-06-30T08:56:51.687-05:00", "datePublic": "2021-10-15T07:36:16.651-05:00", "source": {"lang": "en", "value": "sindo"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 3.3, "baseSeverity": "LOW"}}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-34970", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-09T17:41:12.716992Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_reader", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "10.1.5.37672"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.0.49893"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:12:45.484Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:26:55.785Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/", "name": "ZDI-21-1201", "tags": ["x_research-advisory", "x_transferred"]}, {"url": "https://www.foxit.com/support/security-bulletins.html", "name": "vendor-provided URL", "tags": ["vendor-advisory", "x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/", "name": "ZDI-21-1201", "tags": ["x_research-advisory", "x_transferred"]}, {"url": "https://www.foxit.com/support/security-bulletins.html", "name": "vendor-provided URL", "tags": ["vendor-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:26:55.785Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-34970", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-09T17:41:12.716992Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_reader", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "10.1.5.37672"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.0.49893"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-09T17:41:00.631Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability", "source": {"lang": "en", "value": "sindo"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "baseScore": 3.3, "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"}}], "affected": [{"vendor": "Foxit", "product": "PDF Reader", "versions": [{"status": "affected", "version": "11.0.1.49938"}], "defaultStatus": "unknown"}], "datePublic": "2021-10-15T07:36:16.651-05:00", "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/", "name": "ZDI-21-1201", "tags": ["x_research-advisory"]}, {"url": "https://www.foxit.com/support/security-bulletins.html", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2021-06-30T08:56:51.687-05:00", "descriptions": [{"lang": "en", "value": "Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-134", "description": "CWE-134: Use of Externally-Controlled Format String"}]}], "providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2024-05-07T22:54:43.051Z"}}}, "cveMetadata": {"cveId": "CVE-2021-34970", "state": "PUBLISHED", "dateUpdated": "2024-08-04T00:26:55.785Z", "dateReserved": "2021-06-17T19:27:05.657Z", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "datePublished": "2024-05-07T22:54:43.051Z", "assignerShortName": "zdi"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4740121-8AB8-4D00-A864-CAF435A5D772", "versionEndIncluding": "10.1.5.37672", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*", "matchCriteriaId": "9A8FD70A-F288-457E-B3A4-3D5453CD04E9", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:*", "matchCriteriaId": "1EA4D1FF-8374-466E-84BE-F2A1E1EFD717", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE7C2DEA-21FD-48EF-9F86-ECF2A05DA38F", "versionEndIncluding": "11.0.1.49938", "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"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849."}, {"lang": "es", "value": "M\u00e9todo de impresi\u00f3n de Foxit PDF Reader uso de vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n de cadenas de formato controladas externamente. Esta vulnerabilidad permite a atacantes remotos revelar informaci\u00f3n confidencial sobre las instalaciones afectadas de Foxit PDF Reader. Se requiere la interacci\u00f3n del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe visitar una p\u00e1gina maliciosa o abrir un archivo malicioso. El defecto espec\u00edfico existe en la implementaci\u00f3n del m\u00e9todo de impresi\u00f3n. El problema se debe a la falta de validaci\u00f3n adecuada de una cadena proporcionada por el usuario antes de usarla como especificador de formato. Un atacante puede aprovechar esto junto con otras vulnerabilidades para ejecutar c\u00f3digo arbitrario en el contexto del proceso actual. Era ZDI-CAN-14849."}], "id": "CVE-2021-34970", "lastModified": "2025-08-13T15:59:00.297", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-05-07T23:15:11.797", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://www.foxit.com/support/security-bulletins.html"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.foxit.com/support/security-bulletins.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1201/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-134"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

{"created": "2025-07-13T11:14:03.478604+00:00", "updated": "2025-07-13T11:14:03.478669+00:00", "vendors": ["foxit", "foxit$PRODUCT$pdf_reader"]}