SB2025060532 - Key Exchange without Entity Authentication in Cisco Nexus Dashboard Fabric Controller



SB2025060532 - Key Exchange without Entity Authentication in Cisco Nexus Dashboard Fabric Controller

Published: June 5, 2025

Security Bulletin ID SB2025060532
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Key Exchange without Entity Authentication (CVE-ID: CVE-2025-20163)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient SSH host key validation. A remote attacker can perform machine-in-the-middle (MitM) attack to impersonate a managed device and capture user credentials.


Remediation

Install update from vendor's website.