CVE-2023-20114: Cisco Secure Firewall Management Center

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability in the file download feature of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability is due to a lack of input sanitation. An attacker could exploit this vulnerability by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from the affected system.

Affected products

• Cisco Secure Firewall Management Center: from 6.2.3, up to and including 6.2.3.18; from 6.4.0, up to and including 6.4.0.16; from 6.6.0, up to and including 6.6.7.1; from 7.0.0, up to and including 7.0.5; from 7.1.0, up to and including 7.1.0.3; from 7.2.0, up to and including 7.2.3.1; …

Published 2023-11-01. Last modified 2026-06-17.