#VU116111 Input validation error in Cisco Systems, Inc products - CVE-2025-20327

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Main Vulnerability Database Vulnerabilities #VU116111

#VU116111 Input validation error in Cisco Systems, Inc products - CVE-2025-20327

Published: September 25, 2025


Vulnerability identifier: #VU116111
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20327
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS
Cisco IE 2000 Series
Cisco IE 3010 Series
Cisco IE 4000 Series
Cisco IE 4010 Series
Cisco IE 5000 Series
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the web UI. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links