CVE-2021-34951

{"id": "CVE-2021-34951", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "published": "2024-05-07T23:15:08.523", "references": [{"url": "https://www.foxit.com/support/security-bulletins.html", "tags": ["Vendor Advisory"], "source": "zdi-disclosures@trendmicro.com"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1182/", "tags": ["Third Party Advisory"], "source": "zdi-disclosures@trendmicro.com"}, {"url": "https://www.foxit.com/support/security-bulletins.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1182/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "description": [{"lang": "en", "value": "CWE-457"}]}], "descriptions": [{"lang": "en", "value": "Foxit PDF Reader Annotation Use of Uninitialized Variable 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 handling of Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14395."}, {"lang": "es", "value": "Anotaci\u00f3n de Foxit PDF Reader Uso de vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n variable no inicializada. 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. La falla espec\u00edfica existe en el manejo de objetos de anotaci\u00f3n. El problema se debe a la falta de una inicializaci\u00f3n adecuada de un puntero antes de acceder a \u00e9l. Un atacante puede aprovechar esto junto con otras vulnerabilidades para ejecutar c\u00f3digo arbitrario en el contexto del proceso actual. Era ZDI-CAN-14395."}], "lastModified": "2025-08-07T19:08:53.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4740121-8AB8-4D00-A864-CAF435A5D772", "versionEndIncluding": "10.1.5.37672"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8989921-D526-4334-BF68-136AD07DF34F", "versionEndIncluding": "11.0.0.49893", "versionStartIncluding": "11.0.0.0510"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6308AF35-A512-4A29-8ADB-A97138AE8F2F", "versionEndIncluding": "11.0.1.49938", "versionStartIncluding": "11.0.1.0719"}, {"criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE7C2DEA-21FD-48EF-9F86-ECF2A05DA38F", "versionEndIncluding": "11.0.1.49938"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com"}