{"cve":{"cve_id":"CVE-2023-20014","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00952,"epss_percentile":0.56698,"epss_as_of":"2026-06-23","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.","published_at":"2023-02-16T15:24:43.493000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-399"],"nvd_references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-dnsdos-bYscZOsu"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:19:10.358633Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack 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Dashboard","version_start":"1.1(3e)","version_start_inclusive":true,"version_end":"1.1(3e)","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-nexus-dashboard:1.1(3e):1.1(3e)"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-nexus-dashboard","product_name":"Cisco Nexus Dashboard","version_start":"1.1(3f)","version_start_inclusive":true,"version_end":"1.1(3f)","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-nexus-dashboard:1.1(3f):1.1(3f)"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-nexus-dashboard","product_name":"Cisco Nexus Dashboard","version_start":"2.0(1b)","version_start_inclusive":true,"version_end":"2.0(1b)","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-nexus-dashboard:2.0(1b):2.0(1b)"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-nexus-dashboard","product_name":"Cisco Nexus 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