Vulnerability in Cisco Data Center Network Manager

CVE-2025-20163

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. This 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.

EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20163?
CVE-2025-20163 is a high-severity vulnerability in Cisco Data Center Network Manager, classified under Key Exchange without Entity Authentication. CVSS score: 8.7/10. Published 2025-06-04.
How severe is CVE-2025-20163?
High severity. CVSS v3 base score is 8.7 out of 10.