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CVE-2025-20235

MEDIUMCVSS 6.1/10EPSS 0.27%

Last modified

CVE-2025-20235 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.27%

19.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoSecure Firewall Management Center6.2.3
CiscoSecure Firewall Management Center6.2.3.1
CiscoSecure Firewall Management Center6.2.3.2
CiscoSecure Firewall Management Center6.2.3.3
CiscoSecure Firewall Management Center6.2.3.4
CiscoSecure Firewall Management Center6.2.3.5
CiscoSecure Firewall Management Center6.2.3.6
CiscoSecure Firewall Management Center6.2.3.7
CiscoSecure Firewall Management Center6.2.3.8
CiscoSecure Firewall Management Center6.2.3.9
CiscoSecure Firewall Management Center6.2.3.10
CiscoSecure Firewall Management Center6.2.3.11
CiscoSecure Firewall Management Center6.2.3.12
CiscoSecure Firewall Management Center6.2.3.13
CiscoSecure Firewall Management Center6.2.3.14
CiscoSecure Firewall Management Center6.2.3.15
CiscoSecure Firewall Management Center6.2.3.16
CiscoSecure Firewall Management Center6.2.3.17
CiscoSecure Firewall Management Center6.2.3.18
CiscoSecure Firewall Management Center6.4.0
CiscoSecure Firewall Management Center6.4.0.1
CiscoSecure Firewall Management Center6.4.0.2
CiscoSecure Firewall Management Center6.4.0.3
CiscoSecure Firewall Management Center6.4.0.4
CiscoSecure Firewall Management Center6.4.0.5
CiscoSecure Firewall Management Center6.4.0.6
CiscoSecure Firewall Management Center6.4.0.7
CiscoSecure Firewall Management Center6.4.0.8
CiscoSecure Firewall Management Center6.4.0.9
CiscoSecure Firewall Management Center6.4.0.10
CiscoSecure Firewall Management Center6.4.0.11
CiscoSecure Firewall Management Center6.4.0.12
CiscoSecure Firewall Management Center6.4.0.13
CiscoSecure Firewall Management Center6.4.0.14
CiscoSecure Firewall Management Center6.4.0.15
CiscoSecure Firewall Management Center6.4.0.16
CiscoSecure Firewall Management Center6.4.0.17
CiscoSecure Firewall Management Center6.4.0.18
CiscoSecure Firewall Management Center6.6.0
CiscoSecure Firewall Management Center6.6.0.1
CiscoSecure Firewall Management Center6.6.1
CiscoSecure Firewall Management Center6.6.3
CiscoSecure Firewall Management Center6.6.4
CiscoSecure Firewall Management Center6.6.5
CiscoSecure Firewall Management Center6.6.5.1
CiscoSecure Firewall Management Center6.6.5.2
CiscoSecure Firewall Management Center6.6.7
CiscoSecure Firewall Management Center6.6.7.1
CiscoSecure Firewall Management Center6.6.7.2
CiscoSecure Firewall Management Center7.0.0

Showing 50 of 94 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-20235?
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.
How severe is CVE-2025-20235?
CVE-2025-20235 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2025-20235?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20235?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST