{"containers":{"cna":{"affected":[{"product":"Cisco NX-OS Software 7.3(2)D1(1d)","vendor":"Cisco","versions":[{"lessThan":"n/a","status":"affected","version":"unspecified","versionType":"custom"}]}],"datePublic":"2020-02-26T00:00:00.000Z","descriptions":[{"lang":"en","value":"A vulnerability in the anycast gateway feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to learn invalid Address Resolution Protocol (ARP) entries. The ARP entries are for nonlocal IP addresses for the subnet. The vulnerability is due to improper validation of a received gratuitous ARP (GARP) request. An attacker could exploit this vulnerability by sending a malicious GARP packet on the local subnet to cause the ARP table on the device to become corrupted. A successful exploit could allow the attacker to populate the ARP table with incorrect entries, which could lead to traffic disruptions."}],"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."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","description":"CWE-345","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2020-02-26T16:50:29.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"20200226 Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-nxos-arp"}],"source":{"advisory":"cisco-sa-20200226-nxos-arp","defect":[["CSCvq48220"]],"discovery":"INTERNAL"},"title":"Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","DATE_PUBLIC":"2020-02-26T16:00:00-0800","ID":"CVE-2020-3174","STATE":"PUBLIC","TITLE":"Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco NX-OS Software 7.3(2)D1(1d)","version":{"version_data":[{"affected":"<","version_affected":"<","version_value":"n/a"}]}}]},"vendor_name":"Cisco"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in the anycast gateway feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to learn invalid Address Resolution Protocol (ARP) entries. The ARP entries are for nonlocal IP addresses for the subnet. The vulnerability is due to improper validation of a received gratuitous ARP (GARP) request. An attacker could exploit this vulnerability by sending a malicious GARP packet on the local subnet to cause the ARP table on the device to become corrupted. A successful exploit could allow the attacker to populate the ARP table with incorrect entries, which could lead to traffic disruptions."}]},"exploit":[{"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."}],"impact":{"cvss":{"baseScore":"4.7","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-345"}]}]},"references":{"reference_data":[{"name":"20200226 Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability","refsource":"CISCO","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-nxos-arp"}]},"source":{"advisory":"cisco-sa-20200226-nxos-arp","defect":[["CSCvq48220"]],"discovery":"INTERNAL"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T07:24:00.688Z"},"title":"CVE Program Container","references":[{"name":"20200226 Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-nxos-arp"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-15T16:29:17.520901Z","id":"CVE-2020-3174","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-15T17:38:37.605Z"}}]},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2020-3174","datePublished":"2020-02-26T16:50:29.751Z","dateReserved":"2019-12-12T00:00:00.000Z","dateUpdated":"2024-11-15T17:38:37.605Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}