Secure Firewall Management Center
CVE-2024-20377: A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allo…
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.
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 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 7.0 | 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 7.0 | 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 7.0 | 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 7.0 | See the advisory |
| Cisco Firepower Management Center 7.1 | See the advisory |
| Cisco Firepower Management Center 7.1 | See the advisory |
| Cisco Firepower Management Center 7.1 | See the advisory |
| Cisco Firepower Management Center 7.1 | 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 7.2 | 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 Firepower Management Center (FMC) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to the web-based management interface not properly validating user-supplied input. An attacker could exploit this vulnerability by by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
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.