Secure Firewall Management Center
CVE-2024-20387: A vulnerability in the web-based management interface of Cisco FMC Software could allow an authenticated, r…
A vulnerability in the web-based management interface of Cisco FMC Software could allow an authenticated, remote attacker to store malicious content for use in XSS attacks.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Cisco Firepower Management Center 6.2 | See the advisory |
| Cisco Firepower Management Center 6.2 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.4 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 6.6 | See the advisory |
| Cisco Firepower Management Center 7.0 | See the advisory |
| Cisco Firepower Management Center 7.0 | See the advisory |
| Cisco Firepower Management Center 7.0 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.2 | See the advisory |
| Cisco Firepower Management Center 7.3 | See the advisory |
| Cisco Firepower Management Center 7.3 | See the advisory |
| Cisco Firepower Management Center 7.3 | See the advisory |
| Cisco Firepower Management Center 7.3 | See the advisory |
| Cisco Firepower Management Center 7.4 | See the advisory |
| Cisco Firepower Management Center 7.4 | See the advisory |
| Cisco Firepower Management Center 7.4 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A vulnerability in the web-based management interface of Cisco FMC Software could allow an authenticated, remote attacker to store malicious content for use in XSS attacks. This vulnerability is due to improper input sanitization in the web-based management interface of Cisco FMC Software. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to conduct a stored XSS attack on an affected device.
Exploitation
The Cisco PSIRT is aware that proof-of-concept exploit code is available for the vulnerabilities that are described in this advisory.
The Cisco PSIRT is not aware of any malicious use of the vulnerabilities that are described in this advisory.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.