Cisco Secure Firewall FMC: XSS in Web Mgmt Interface
CVE-2025-20235 Published on August 14, 2025
Cisco Secure Firewall Management Center Software Cross-Site Scripting Vulnerability
A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface.
This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by inserting crafted input into various data fields in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.
Vulnerability Analysis
CVE-2025-20235 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2025-20235 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2025-20235
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-20235 are published in Cisco Secure Firewall Management Center:
Affected Versions
Cisco Firepower Management Center:- Version 6.2.3.12 is affected.
- Version 6.2.3.1 is affected.
- Version 6.2.3.10 is affected.
- Version 6.2.3.8 is affected.
- Version 6.4.0.6 is affected.
- Version 6.2.3 is affected.
- Version 6.4.0.7 is affected.
- Version 6.2.3.13 is affected.
- Version 6.2.3.5 is affected.
- Version 6.4.0.4 is affected.
- Version 6.2.3.9 is affected.
- Version 6.2.3.14 is affected.
- Version 6.4.0.1 is affected.
- Version 6.2.3.6 is affected.
- Version 6.2.3.11 is affected.
- Version 6.4.0.8 is affected.
- Version 6.2.3.2 is affected.
- Version 6.4.0.2 is affected.
- Version 6.2.3.3 is affected.
- Version 6.4.0.3 is affected.
- Version 6.2.3.7 is affected.
- Version 6.2.3.4 is affected.
- Version 6.4.0.5 is affected.
- Version 6.4.0 is affected.
- Version 6.2.3.15 is affected.
- Version 6.6.0 is affected.
- Version 6.4.0.9 is affected.
- Version 6.2.3.16 is affected.
- Version 6.6.0.1 is affected.
- Version 6.6.1 is affected.
- Version 6.4.0.10 is affected.
- Version 6.4.0.11 is affected.
- Version 6.6.3 is affected.
- Version 6.6.4 is affected.
- Version 6.4.0.12 is affected.
- Version 7.0.0 is affected.
- Version 6.2.3.17 is affected.
- Version 7.0.0.1 is affected.
- Version 6.6.5 is affected.
- Version 7.0.1 is affected.
- Version 7.1.0 is affected.
- Version 6.6.5.1 is affected.
- Version 6.4.0.13 is affected.
- Version 7.0.1.1 is affected.
- Version 6.2.3.18 is affected.
- Version 6.4.0.14 is affected.
- Version 6.6.5.2 is affected.
- Version 7.1.0.1 is affected.
- Version 7.0.2 is affected.
- Version 6.4.0.15 is affected.
- Version 7.2.0 is affected.
- Version 7.0.2.1 is affected.
- Version 7.0.3 is affected.
- Version 6.6.7 is affected.
- Version 7.1.0.2 is affected.
- Version 7.2.0.1 is affected.
- Version 7.0.4 is affected.
- Version 7.2.1 is affected.
- Version 7.0.5 is affected.
- Version 6.4.0.16 is affected.
- Version 7.3.0 is affected.
- Version 7.2.2 is affected.
- Version 6.6.7.1 is affected.
- Version 7.3.1 is affected.
- Version 7.2.3 is affected.
- Version 7.1.0.3 is affected.
- Version 7.2.3.1 is affected.
- Version 7.2.4 is affected.
- Version 7.0.6 is affected.
- Version 7.2.4.1 is affected.
- Version 7.2.5 is affected.
- Version 7.3.1.1 is affected.
- Version 7.4.0 is affected.
- Version 6.4.0.17 is affected.
- Version 7.0.6.1 is affected.
- Version 7.2.5.1 is affected.
- Version 7.4.1 is affected.
- Version 7.2.6 is affected.
- Version 7.4.1.1 is affected.
- Version 7.0.6.2 is affected.
- Version 6.4.0.18 is affected.
- Version 6.6.7.2 is affected.
- Version 7.2.7 is affected.
- Version 7.2.5.2 is affected.
- Version 7.3.1.2 is affected.
- Version 7.2.8 is affected.
- Version 7.6.0 is affected.
- Version 7.4.2 is affected.
- Version 7.2.8.1 is affected.
- Version 7.0.6.3 is affected.
- Version 7.4.2.1 is affected.
- Version 7.2.9 is affected.
- Version 7.0.7 is affected.
- Version 7.4.2.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.