Open redirect in Cisco Systems, Inc products - CVE-2025-20317
Published: August 28, 2025
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in the Virtual Keyboard Video Monitor (vKVM) connection handling. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
Cisco Intersight Server
UCS C-Series M6 Rack Servers
UCS C-Series M7 Rack Servers
UCS E-Series Servers M6
UCS C-Series M8 Rack Servers
UCS B-Series Blade Servers
UCS X-Series Modular System
Enterprise NFV Infrastructure Software
Catalyst 8300 Series Edge Universal CPE
Cisco Integrated Management Controller
How to mitigate CVE-2025-20317
Cisco Intersight Server - addressed in versions 4.2(3l), 5.0(4i), 5.3(0.250001)
UCS B-Series Blade Servers - addressed in versions 4.2(3o), 4.3(5c)
Enterprise NFV Infrastructure Software - update to 4.18.1
UCS C-Series M6 Rack Servers - addressed in versions 4.2(3o), 4.3(5c), 4.3(5.250001)
UCS X-Series Modular System - addressed in versions 4.2(3o), 4.3(5c)
UCS C-Series M7 Rack Servers - addressed in versions 4.2(3o), 4.3(5c), 4.3(5.250001)
UCS E-Series Servers M6 - update to 4.15.2
UCS C-Series M8 Rack Servers - addressed in versions 4.2(3o), 4.3(5c), 4.3(5.250001)
Cisco Integrated Management Controller - addressed in versions 4.3(5.250001), 4.3(5.250030), 4.3(5.250033), 4.3(6.250053)