CVE-2021-2432

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La versi\u00f3n soportada que se ve afectada es Java SE: 7u301. Una vulnerabilidad dif\u00edcil de explotar permite a un atacante no autenticado con acceso a la red por medio de m\u00faltiples protocolos comprometer a Java SE. Los ataques con \u00e9xito de esta vulnerabilidad pueden resultar en una capacidad no autorizada de causar una denegaci\u00f3n parcial de servicio (DOS parcial) de Java SE. Nota: Esta vulnerabilidad se aplica a las implementaciones de Java, generalmente en clientes que ejecutan aplicaciones Java Web Start dentro del sandbox o applets de Java dentro del sandbox, que cargan y ejecutan c\u00f3digo no confiable (por ejemplo, c\u00f3digo que proviene de Internet) y conf\u00edan en el sandbox de Java para la seguridad. Esta vulnerabilidad tambi\u00e9n puede ser explotada al usar APIs en el Componente especificado, por ejemplo, mediante un servicio web que suministra datos a las APIs. CVSS 3.1 Puntuaci\u00f3n Base 3.7 (Impactos en la Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)"}], "id": "CVE-2021-2432", "lastModified": "2026-06-17T03:49:29.990", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-2432", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-25T19:15:34.515308Z", "version": "2.0.3"}}]}, "published": "2021-07-21T15:16:03.893", "references": [{"source": "secalert_us@oracle.com", "tags": ["Third Party Advisory"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10366"}, {"source": "secalert_us@oracle.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-05"}, {"source": "secalert_us@oracle.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210723-0002/"}, {"source": "secalert_us@oracle.com", "tags": ["Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2021.html"}, {"source": "secalert_us@oracle.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10366"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-05"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210723-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:3293", "cpe": "cpe:/a:redhat:rhel_extras:7", "package": "java-1.7.1-ibm-1:1.7.1.4.90-1jpp.1.el7", "product_name": "Red Hat Enterprise Linux 7 Supplementary", "release_date": "2021-08-30T00:00:00Z"}], "bugzilla": {"description": "JDK: unspecified vulnerability fixed in 7u311 (JNDI)", "id": "1994980", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1994980"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "details": ["Vulnerability in the Java SE product of Oracle Java SE (component: JNDI). The supported version that is affected is Java SE: 7u301. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)."], "name": "CVE-2021-2432", "public_date": "2021-07-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-2432\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-2432"], "threat_severity": "Moderate"}

{}