{"id":"CVE-2023-20014","state":"PUBLISHED","title":"A vulnerability in the DNS functionality of Cisco Nexus Dashboard Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r","description":"A vulnerability in the DNS functionality of Cisco Nexus Dashboard Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r This vulnerability is due to the improper processing of DNS requests. An attacker could exploit this vulnerability by sending a continuous stream of DNS requests to an affected device. A successful exploit could allow the attacker to cause the coredns service to stop working or cause the device to reload, resulting in a DoS condition.","publishedAt":"2023-02-16T15:24:43.493Z","updatedAt":"2024-08-02T08:57:35.588Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Nexus Dashboard"],"affected":[{"vendor":"Cisco","product":"Cisco Nexus Dashboard","versions":[{"version":"1.1(0c)","status":"affected"},{"version":"1.1(0d)","status":"affected"},{"version":"1.1(2h)","status":"affected"},{"version":"1.1(2i)","status":"affected"},{"version":"1.1(3c)","status":"affected"},{"version":"1.1(3d)","status":"affected"},{"version":"1.1(3e)","status":"affected"},{"version":"1.1(3f)","status":"affected"},{"version":"2.0(1b)","status":"affected"},{"version":"2.0(1d)","status":"affected"},{"version":"2.0(2g)","status":"affected"},{"version":"2.0(2h)","status":"affected"},{"version":"2.1(1d)","status":"affected"},{"version":"2.1(1e)","status":"affected"},{"version":"2.1(2d)","status":"affected"},{"version":"2.1(2f)","status":"affected"},{"version":"2.2(1e)","status":"affected"},{"version":"2.2(1h)","status":"affected"},{"version":"2.2(2d)","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu"],"weaknesses":["CWE-399"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/20xxx/CVE-2023-20014.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-20014","state":"PUBLISHED","datePublished":"2023-02-16T15:24:43.493Z","dateUpdated":"2024-08-02T08:57:35.588Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2022-10-27T18:47:50.308Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability in the DNS functionality of Cisco Nexus Dashboard Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r This vulnerability is due to the improper processing of DNS requests. An attacker could exploit this vulnerability by sending a continuous stream of DNS requests to an affected device. A successful exploit could allow the attacker to cause the coredns service to stop working or cause the device to reload, resulting in a DoS condition."}],"affected":[{"vendor":"Cisco","product":"Cisco Nexus Dashboard","versions":[{"version":"1.1(0c)","status":"affected"},{"version":"1.1(0d)","status":"affected"},{"version":"1.1(2h)","status":"affected"},{"version":"1.1(2i)","status":"affected"},{"version":"1.1(3c)","status":"affected"},{"version":"1.1(3d)","status":"affected"},{"version":"1.1(3e)","status":"affected"},{"version":"1.1(3f)","status":"affected"},{"version":"2.0(1b)","status":"affected"},{"version":"2.0(1d)","status":"affected"},{"version":"2.0(2g)","status":"affected"},{"version":"2.0(2h)","status":"affected"},{"version":"2.1(1d)","status":"affected"},{"version":"2.1(1e)","status":"affected"},{"version":"2.1(2d)","status":"affected"},{"version":"2.1(2f)","status":"affected"},{"version":"2.2(1e)","status":"affected"},{"version":"2.2(1h)","status":"affected"},{"version":"2.2(2d)","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu","name":"cisco-sa-ndb-dnsdos-bYscZOsu"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-399","lang":"en","description":"Resource Management Errors","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2024-01-25T16:57:31.241Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-ndb-dnsdos-bYscZOsu","discovery":"INTERNAL","defects":["CSCwb74816"]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu","name":"cisco-sa-ndb-dnsdos-bYscZOsu","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:57:35.588Z"}}]}}}