#VU123531 Path traversal in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2026-20018

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU123531

#VU123531 Path traversal in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2026-20018

Published: March 4, 2026


Vulnerability identifier: #VU123531
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20018
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the sftunnel functionality. A remote privileged user can send a specially crafted HTTP request and read arbitrary files on the system as root.


Remediation

Install updates from vendor's website.

External links