CVE-2025-20306

MEDIUM
Published Aug 14, 2025 Modified Aug 25, 2025 CWE-77

Description

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker with Administrator-level privileges to execute arbitrary commands on the underlying operating system. This vulnerability is due to insufficient input validation of certain HTTP request parameters that are sent to the web-based management interface. An attacker could exploit this vulnerability by authenticating to the interface and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to execute commands as the root user on the affected device. To exploit this vulnerability, an attacker would need Administrator-level credentials.

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CVSS v3.1 Score

4.9
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor Product
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center
cisco secure_firewall_management_center

References

Frequently Asked Questions

What is CVE-2025-20306? +
A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker with Administrator-level privileges to execute arbitrary commands on the underlying operating system. This vulnerability is due to insufficient input validation of certain HTTP request parameters that are sent to the web-based management interface. An attacker could exploit this vulnerability by authenticating to the interface and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to execute commands as the root user on the affected device. To exploit this vulnerability, an attacker would need Administrator-level credentials. It has a CVSS v3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2025-20306? +
CVE-2025-20306 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-20306? +
CVE-2025-20306 affects products from cisco, specifically: secure_firewall_management_center. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-20306? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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