CVE-2021-4234

{"id": "CVE-2021-4234", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-07-06T20:15:08.127", "references": [{"url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0", "tags": ["Release Notes", "Vendor Advisory"], "source": "security@openvpn.net"}, {"url": "https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@openvpn.net", "description": [{"lang": "en", "value": "CWE-406"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack."}, {"lang": "es", "value": "OpenVPN Access Server versiones 2.10 y versiones anteriores, son susceptibles de reenviar m\u00faltiples paquetes en respuesta a un paquete de reinicio enviado desde el cliente al que \u00e9ste no responde de nuevo, resultando en un ataque de amplificaci\u00f3n limitada"}], "lastModified": "2024-11-21T06:37:12.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F315C5F8-CF55-4561-87FA-09A49636FDCB", "versionEndExcluding": "2.11.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@openvpn.net"}