CVE-2021-21021

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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 Uso de la Memoria Previamente Liberada.&#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-2021-21021", "lastModified": "2026-06-17T03:34:40.660", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@adobe.com", "type": "Secondary"}], "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-11T20:15:14.263", "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"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "psirt@adobe.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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