{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-20314", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2023-11-08T15:08:07.632Z", "datePublished": "2024-03-27T16:57:27.974Z", "dateUpdated": "2024-07-02T16:25:13.272Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-03-27T16:57:27.974Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 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."}], "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"}, {"version": "16.3.10", "status": 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"affected"}, {"version": "17.6.1w", "status": "affected"}, {"version": "17.6.1a", "status": "affected"}, {"version": "17.6.1x", "status": "affected"}, {"version": "17.6.3", "status": "affected"}, {"version": "17.6.1y", "status": "affected"}, {"version": "17.6.1z", "status": "affected"}, {"version": "17.6.3a", "status": "affected"}, {"version": "17.6.4", "status": "affected"}, {"version": "17.6.1z1", "status": "affected"}, {"version": "17.6.5", "status": "affected"}, {"version": "17.6.5a", "status": "affected"}, {"version": "17.7.1", "status": "affected"}, {"version": "17.7.1a", "status": "affected"}, {"version": "17.7.1b", "status": "affected"}, {"version": "17.7.2", "status": "affected"}, {"version": "17.10.1", "status": "affected"}, {"version": "17.10.1a", "status": "affected"}, {"version": "17.10.1b", "status": "affected"}, {"version": "17.8.1", "status": "affected"}, {"version": "17.8.1a", "status": "affected"}, {"version": "17.9.1", "status": "affected"}, {"version": "17.9.1w", "status": "affected"}, {"version": "17.9.2", "status": "affected"}, {"version": "17.9.1a", "status": "affected"}, {"version": "17.9.1x", "status": "affected"}, {"version": "17.9.1y", "status": "affected"}, {"version": "17.9.3", "status": "affected"}, {"version": "17.9.2a", "status": "affected"}, {"version": "17.9.1x1", "status": "affected"}, {"version": "17.9.3a", "status": "affected"}, {"version": "17.9.4", "status": "affected"}, {"version": "17.9.1y1", "status": "affected"}, {"version": "17.9.4a", "status": "affected"}, {"version": "17.11.1", "status": "affected"}, {"version": "17.11.1a", "status": "affected"}, {"version": "17.12.1", "status": "affected"}, {"version": "17.12.1w", "status": "affected"}, {"version": "17.12.1a", "status": "affected"}, {"version": "17.11.99SW", "status": "affected"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Operator Precedence Logic Error", "type": "cwe", "cweId": "CWE-783"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG", "name": "cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG"}], "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-qZWuWXWG", "discovery": "EXTERNAL", "defects": ["CSCwh41093"]}}, "adp": [{"affected": [{"vendor": "cisco", "product": "ios_xe", "cpes": 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{"descriptions": [{"lang": "en", "value": "A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 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."}, {"lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n de nodo de borde de la estructura de acceso definido por software (SD-Access) IPv4 del software Cisco IOS XE podr\u00eda permitir que un atacante remoto no autenticado cause una alta utilizaci\u00f3n de la CPU y detenga todo el procesamiento del tr\u00e1fico, lo que resultar\u00eda en una denegaci\u00f3n de servicio (DoS). condici\u00f3n en un dispositivo afectado. Esta vulnerabilidad se debe al manejo inadecuado de ciertos paquetes IPv4. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando ciertos paquetes IPv4 a un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el dispositivo agote los recursos de la CPU y deje de procesar el tr\u00e1fico, lo que resultar\u00eda en una condici\u00f3n DoS."}], "id": "CVE-2024-20314", "lastModified": "2024-03-27T17:48:21.140", "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": "ykramarz@cisco.com", "type": "Secondary"}]}, "published": "2024-03-27T17:15:52.920", "references": [{"source": "ykramarz@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-783"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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