CVE-2025-20218
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Published: 2025-08-14T17:15:35.710
A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker to retrieve sensitive information from an affected device.
This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to retrieve sensitive information from the affected device.
To exploit this vulnerability, the attacker must have valid administrative credentials.
Related CVE by CWE
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How to fix CVE-2025-20218
Description: A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker to retrieve sensitive information from an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an […]
Exploit Difficulty: MEDIUM
⏱️ Time to exploit: 1-4 hours
🛠️ Required skills: Intermediate security knowledge
💰 Public exploits: May be available
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
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No vendor/product data available.