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CVE-2025-20235

Cisco Secure Firewall Management Center Software Cross-Site Scripting Vulnerability

Published: Aug 14, 2025Updated: Aug 25, 2025 Sources: CVE List NVD BDUCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.3%
Top 81.1%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

Cisco Firepower Management CenterCisco Systems Inc.
On-premNetwork Device
Networking Infrastructure / firewall
Cisco Firepower Management CenterCisco
On-premNetwork Device
Networking Infrastructure / firewall
secure firewall management centercisco
Network Device
Networking Infrastructure / firewall
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.cve.org/CVERecord?id=CVE-2025-20235
cve.org
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-JtNmcusP
sec.cloudapps.cisco.com

Timeline

Published
Aug 14, 2025
Last Updated
Aug 25, 2025

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