SB2025060532 - Key Exchange without Entity Authentication in Cisco Nexus Dashboard Fabric Controller
Published: June 5, 2025
Security Bulletin ID
SB2025060532
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Key Exchange without Entity Authentication (CVE-ID: CVE-2025-20163)
CWE-ID: CWE-322 - Key Exchange without Entity Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
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.