CVE-2023-34048

{"id": "CVE-2023-34048", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@vmware.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2023-10-25T18:17:27.897", "references": [{"url": "https://www.vmware.com/security/advisories/VMSA-2023-0023.html", "tags": ["Vendor Advisory"], "source": "security@vmware.com"}, {"url": "https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.vmware.com/security/advisories/VMSA-2023-0023.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol.\u00a0A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution."}, {"lang": "es", "value": "vCenter Server contiene una vulnerabilidad de escritura fuera de los l\u00edmites en la implementaci\u00f3n del protocolo DCERPC. Un actor malintencionado con acceso a la red de vCenter Server puede desencadenar una escritura fuera de los l\u00edmites que podr\u00eda conducir a la ejecuci\u00f3n remota de c\u00f3digo."}], "lastModified": "2025-10-21T23:16:03.280", "cisaActionDue": "2024-02-12", "cisaExploitAdd": "2024-01-22", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "561A702A-DB0C-4E67-AF6C-9994B99DA56C", "versionEndIncluding": "5.5", "versionStartIncluding": "4.0"}, {"criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FA81CCD-A05E-498C-820E-21980E92132F"}, {"criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EE83406-A3D9-4F75-A1A6-63831CEBEEC1"}, {"criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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