{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-20480", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2023-11-08T15:08:07.683Z", "datePublished": "2024-09-25T16:27:59.969Z", "dateUpdated": "2024-09-25T19:25:52.910Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-09-25T16:27:59.969Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access (SD-Access) fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition that requires a manual reload to recover. \r\n\r This vulnerability is due to improper handling of IPv4 DHCP packets. An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover."}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XE Software", "versions": [{"version": "16.1.1", "status": "affected"}, {"version": "16.1.2", "status": "affected"}, {"version": "16.1.3", "status": "affected"}, {"version": "16.2.1", "status": "affected"}, {"version": "16.2.2", "status": "affected"}, {"version": "16.3.1", "status": "affected"}, {"version": "16.3.2", "status": "affected"}, {"version": "16.3.3", "status": "affected"}, {"version": "16.3.1a", "status": "affected"}, {"version": "16.3.4", "status": "affected"}, {"version": "16.3.5", "status": "affected"}, {"version": "16.3.5b", "status": "affected"}, {"version": "16.3.6", "status": "affected"}, {"version": "16.3.7", "status": "affected"}, {"version": "16.3.8", "status": "affected"}, {"version": "16.3.9", "status": "affected"}, 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"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-MBcbG9k", "name": "cisco-sa-ios-xe-sda-edge-dos-MBcbG9k"}], "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-ios-xe-sda-edge-dos-MBcbG9k", "discovery": "INTERNAL", "defects": ["CSCwk36431"]}}, "adp": [{"affected": [{"vendor": "cisco", "product": "ios_xe", "cpes": 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"17.14.1"}, {"status": "affected", "version": "17.14.1a"}, {"status": "affected", "version": "17.11.99SW"}]}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-MBcbG9k", "name": "cisco-sa-ios-xe-sda-edge-dos-MBcbG9k"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access (SD-Access) fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition that requires a manual reload to recover. \r\n\r This vulnerability is due to improper handling of IPv4 DHCP packets. An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-783", "description": "Operator Precedence Logic Error"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-09-25T16:27:59.969Z"}}}, "cveMetadata": {"cveId": "CVE-2024-20480", "state": "PUBLISHED", "dateUpdated": "2024-09-25T19:25:52.910Z", "dateReserved": "2023-11-08T15:08:07.683Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2024-09-25T16:27:59.969Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

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An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover."}, {"lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n DHCP Snooping del software Cisco IOS XE en los nodos de borde de la estructura de acceso definido por software (SD-Access) podr\u00eda permitir que un atacante remoto no autenticado provoque un alto uso de la CPU en un dispositivo afectado, lo que da como resultado una condici\u00f3n de denegaci\u00f3n de servicio (DoS) que requiere una recarga manual para recuperarse. Esta vulnerabilidad se debe a un manejo inadecuado de los paquetes DHCP de IPv4. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando ciertos paquetes DHCP de IPv4 a un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir que el atacante haga que el dispositivo agote los recursos de la CPU y deje de procesar el tr\u00e1fico, lo que da como resultado una condici\u00f3n de DoS que requiere una recarga manual para recuperarse."}], "id": "CVE-2024-20480", "lastModified": "2024-10-03T20:07:33.900", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ykramarz@cisco.com", "type": "Secondary"}]}, "published": "2024-09-25T17:15:17.787", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-MBcbG9k"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-670"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-783"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}