{"id":"CVE-2025-20163","aliases":["EUVD-2025-16891","GHSA-435c-q8rw-j678"],"status":"published","title":"Cisco Nexus Dashboard Fabric Controller SSH Host Key Vulnerability","description":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices.\r\n\r\nThis vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections to Cisco NDFC-managed devices, which could allow an attacker to intercept this traffic. A successful exploit could allow the attacker to impersonate a managed device and capture user credentials.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00432,"percentile":0.3767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-322"],"published":"2025-06-04T16:17:44Z","modified":"2026-06-17T08:40:49Z","products":[{"vendor":"cisco","product":"cisco data center network manager"},{"vendor":"cisco","product":"cisco nexus dashboard"},{"vendor":"cisco","product":"nexus_dashboard"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndfc-shkv-snQJtjrp","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20163"},{"url":"https://github.com/advisories/GHSA-435c-q8rw-j678"}],"sources":{"cve":[{"id":"CVE-2025-20163","title":"Cisco Nexus Dashboard Fabric Controller SSH Host Key Vulnerability","description":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices.\r\n\r\nThis vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections to Cisco NDFC-managed devices, which could allow an attacker to intercept this traffic. A successful exploit could allow the attacker to impersonate a managed device and capture user credentials.","status":"published","published":"2025-06-04T16:17:44.257Z","modified":"2026-02-26T18:27:37.121Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-322"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-16891","description":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices.\r\n\r\nThis vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections to Cisco NDFC-managed devices, which could allow an attacker to intercept this traffic. A successful exploit could allow the attacker to impersonate a managed device and capture user credentials.","status":"published","published":"2025-06-04T16:17:44Z","modified":"2026-02-26T18:27:37Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T19:48:18.619892Z"}],"ghsa":[{"id":"GHSA-435c-q8rw-j678","title":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could...","description":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices.\n\nThis vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections to Cisco NDFC-managed devices, which could allow an attacker to intercept this traffic. A successful exploit could allow the attacker to impersonate a managed device and capture user credentials.","status":"published","published":"2025-06-04T18:30:58Z","modified":"2025-06-04T18:31:04Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-322"],"updated_at":"2026-11-02T15:02:33.897794Z"}],"nvd":[{"id":"CVE-2025-20163","description":"A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices.\r\n\r\nThis vulnerability is due to insufficient SSH host key validation. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections to Cisco NDFC-managed devices, which could allow an attacker to intercept this traffic. A successful exploit could allow the attacker to impersonate a managed device and capture user credentials.","status":"published","published":"2025-06-04T17:15:26.037Z","modified":"2026-06-17T08:40:49.813Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-322"],"updated_at":"2026-11-02T14:11:10.8732Z"}]}}