{ "id": "CVE-2020-13529", "sourceIdentifier": "talos-cna@cisco.com", "published": "2021-05-10T16:15:07.373", "lastModified": "2023-11-07T03:16:42.717", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server." }, { "lang": "es", "value": "Se presenta una vulnerabilidad de denegaci\u00f3n de servicio explotable en Systemd 245. Un paquete DHCP FORCERENEW especialmente dise\u00f1ado puede hacer que un servidor que ejecuta el cliente DHCP sea vulnerable a un ataque de suplantaci\u00f3n de DHCP ACK. Un atacante puede falsificar un par de paquetes FORCERENEW y DCHP ACK para reconfigurar el servidor" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.6, "impactScore": 4.0 } ], "cvssMetricV30": [ { "source": "talos-cna@cisco.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.6, "impactScore": 4.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.9 }, "baseSeverity": "LOW", "exploitabilityScore": 5.5, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-290" } ] }, { "source": "talos-cna@cisco.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-290" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:systemd_project:systemd:245:-:*:*:*:*:*:*", "matchCriteriaId": "1E07E1BF-F8B6-4BA0-9DEE-6619C666CB94" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*", "matchCriteriaId": "E8F29E19-3A64-4426-A2AA-F169440267CC" }, { "vulnerable": true, "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2021/08/04/2", "source": "talos-cna@cisco.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2021/08/17/3", "source": "talos-cna@cisco.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2021/09/07/3", "source": "talos-cna@cisco.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/", "source": "talos-cna@cisco.com" }, { "url": "https://security.gentoo.org/glsa/202107-48", "source": "talos-cna@cisco.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20210625-0005/", "source": "talos-cna@cisco.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142", "source": "talos-cna@cisco.com", "tags": [ "Exploit", "Third Party Advisory" ] } ] }