XSS in Cisco Firepower Management Center
CVE-2024-20403
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cisco Firepower Management Center — versions 6.2.3, 6.2.3.1, 6.2.3.2
- Cisco Firepower Management Center — versions 6.4.0.17, 6.4.0.18, 6.6.7.2
- Cisco Secure Firewall Management Center — versions 6.2.3, 6.2.3.1, 6.2.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2024-20403?
- CVE-2024-20403 is a medium-severity vulnerability in Cisco Firepower Management Center, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-10-23.
- How severe is CVE-2024-20403?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2024-20403 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.