CVE-2026-20018

Cisco Firepower Management Center Software and Firepower Threat Defense Path Traversal Vulnerability

At a glance

Severity
MEDIUM 5.9
EPSS
EPSS 0.45 % · percentile 39 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Awaiting Analysis

Description

A vulnerability in the sftunnel functionality of Cisco Secure Firewall Management Center (FMC) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrative privileges to write arbitrary files as root on the underlying operating system. This vulnerability is due to insufficient validation of the directory path during file synchronization. An attacker could exploit this vulnerability by crafting a directory path outside of the expected file location. A successful exploit could allow the attacker to create or replace any file on the underlying operating system.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.9CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Hcisco
CVSS 3.1MEDIUM 5.9CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:HNVD · psirt@cisco.com (Secondary)

Weaknesses (CWE)

European references

Affected products

ProductVersions
Cisco · Cisco Secure Firewall Management Center (FMC)affected 7.0.0 ; affected 7.0.0.1 ; affected 7.0.1 ; affected 7.1.0 ; affected 7.0.1.1 ; affected 7.1.0.1
Cisco · Cisco Secure Firewall Threat Defense (FTD) Softwareaffected 7.0.0 ; affected 7.0.0.1 ; affected 7.0.1 ; affected 7.1.0 ; affected 7.0.1.1 ; affected 7.1.0.1

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD