CVE-2025-20355 Cisco Catalyst Center Software HTTP Open Redirect Vulnerability
An unauthenticated remote attacker can redirect users to malicious web pages via improper input validation in the Cisco Catalyst Center web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-20355?
CVE-2025-20355 is a medium-severity vulnerability in Cisco Digital Network Architecture Center (DNA Center), published on 13 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of Cisco Catalyst Center Virtual Appliance could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of HTTP request parameters. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.
Weakness: CWE-601
Which versions are affected by CVE-2025-20355?
How do I fix CVE-2025-20355?
No fix has been published for CVE-2025-20355 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-20355 being exploited?
There is no known exploitation of CVE-2025-20355 in the wild and no public exploit code.
Sources
Also known as GHSA-9f26-h7x7-2mc5.