CVE-2026-20018

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

Published Mar 4, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cisco

Cisco Secure Firewall Management Center (FMC)

unknown

Version	Status	Constraints
`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`	affected	—
`7.0.2`	affected	—
`7.2.0`	affected	—
`7.0.2.1`	affected	—
`7.0.3`	affected	—
`7.1.0.2`	affected	—
`7.2.0.1`	affected	—
`7.0.4`	affected	—
`7.2.1`	affected	—
`7.0.5`	affected	—
`7.3.0`	affected	—
`7.2.2`	affected	—
`7.3.1`	affected	—
`7.2.3`	affected	—
`7.1.0.3`	affected	—
`7.2.3.1`	affected	—
`7.2.4`	affected	—
`7.0.6`	affected	—
`7.2.4.1`	affected	—
`7.2.5`	affected	—
`7.3.1.1`	affected	—
`7.4.0`	affected	—
`7.0.6.1`	affected	—
`7.2.5.1`	affected	—
`7.4.1`	affected	—
`7.2.6`	affected	—
`7.4.1.1`	affected	—
`7.0.6.2`	affected	—
`7.2.7`	affected	—
`7.2.5.2`	affected	—
`7.3.1.2`	affected	—
`7.2.8`	affected	—
`7.6.0`	affected	—
`7.4.2`	affected	—
`7.2.8.1`	affected	—
`7.0.6.3`	affected	—
`7.4.2.1`	affected	—
`7.2.9`	affected	—
`7.0.7`	affected	—
`7.7.0`	affected	—
`7.4.2.2`	affected	—
`7.2.10`	affected	—
`7.6.1`	affected	—
`7.4.2.3`	affected	—
`7.0.8`	affected	—
`7.6.2`	affected	—
`7.7.10`	affected	—
`7.2.10.1`	affected	—
`7.0.8.1`	affected	—
`7.6.2.1`	affected	—
`7.2.10.2`	affected	—
`7.7.10.1`	affected	—
`7.4.2.4`	affected	—
`7.4.3`	affected	—

Cisco

Cisco Secure Firewall Threat Defense (FTD) Software

unknown

Version	Status	Constraints
`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`	affected	—
`7.0.2`	affected	—
`7.2.0`	affected	—
`7.0.2.1`	affected	—
`7.0.3`	affected	—
`7.1.0.2`	affected	—
`7.2.0.1`	affected	—
`7.0.4`	affected	—
`7.2.1`	affected	—
`7.0.5`	affected	—
`7.3.0`	affected	—
`7.2.2`	affected	—
`7.2.3`	affected	—
`7.3.1`	affected	—
`7.1.0.3`	affected	—
`7.2.4`	affected	—
`7.0.6`	affected	—
`7.2.5`	affected	—
`7.2.4.1`	affected	—
`7.3.1.1`	affected	—
`7.4.0`	affected	—
`7.0.6.1`	affected	—
`7.2.5.1`	affected	—
`7.4.1`	affected	—
`7.2.6`	affected	—
`7.0.6.2`	affected	—
`7.4.1.1`	affected	—
`7.2.7`	affected	—
`7.2.5.2`	affected	—
`7.3.1.2`	affected	—
`7.2.8`	affected	—
`7.6.0`	affected	—
`7.4.2`	affected	—
`7.2.8.1`	affected	—
`7.0.6.3`	affected	—
`7.4.2.1`	affected	—
`7.2.9`	affected	—
`7.0.7`	affected	—
`7.7.0`	affected	—
`7.4.2.2`	affected	—
`7.2.10`	affected	—
`7.6.1`	affected	—
`7.4.2.3`	affected	—
`7.0.8`	affected	—
`7.6.2`	affected	—
`7.7.10`	affected	—
`7.0.8.1`	affected	—
`7.6.2.1`	affected	—
`7.7.10.1`	affected	—
`7.4.2.4`	affected	—
`7.2.10.2`	affected	—
`7.4.3`	affected	—

No data.

Vendor Product Versions

Cisco

Secure Firewall Management Center

Version	Status	Scheme	Platform
`7.0.0`	affected	semver	—
`7.0.0.1`	affected	generic	—
`7.0.1`	affected	semver	—
`7.1.0`	affected	semver	—
`7.0.1.1`	affected	generic	—
`7.1.0.1`	affected	generic	—
`7.0.2`	affected	semver	—
`7.2.0`	affected	semver	—
`7.0.2.1`	affected	generic	—
`7.0.3`	affected	semver	—
`7.1.0.2`	affected	generic	—
`7.2.0.1`	affected	generic	—
`7.0.4`	affected	semver	—
`7.2.1`	affected	semver	—
`7.0.5`	affected	semver	—
`7.3.0`	affected	semver	—
`7.2.2`	affected	semver	—
`7.2.3`	affected	semver	—
`7.3.1`	affected	semver	—
`7.1.0.3`	affected	generic	—
`7.2.4`	affected	semver	—
`7.0.6`	affected	semver	—
`7.2.5`	affected	semver	—
`7.2.4.1`	affected	generic	—
`7.3.1.1`	affected	generic	—
`7.4.0`	affected	semver	—
`7.0.6.1`	affected	generic	—
`7.2.5.1`	affected	generic	—
`7.4.1`	affected	semver	—
`7.2.6`	affected	semver	—
`7.4.1.1`	affected	generic	—
`7.0.6.2`	affected	generic	—
`7.2.7`	affected	semver	—
`7.2.5.2`	affected	generic	—
`7.3.1.2`	affected	generic	—
`7.2.8`	affected	semver	—
`7.6.0`	affected	semver	—
`7.4.2`	affected	semver	—
`7.2.8.1`	affected	generic	—
`7.0.6.3`	affected	generic	—
`7.4.2.1`	affected	generic	—
`7.2.9`	affected	semver	—
`7.0.7`	affected	semver	—
`7.7.0`	affected	semver	—
`7.4.2.2`	affected	generic	—
`7.2.10`	affected	semver	—
`7.6.1`	affected	semver	—
`7.4.2.3`	affected	generic	—
`7.0.8`	affected	semver	—
`7.6.2`	affected	semver	—
`7.7.10`	affected	semver	—
`7.2.10.1`	affected	generic	—
`7.0.8.1`	affected	generic	—
`7.6.2.1`	affected	generic	—
`7.2.10.2`	affected	generic	—
`7.7.10.1`	affected	semver	—
`7.4.2.4`	affected	generic	—
`7.4.3`	affected	semver	—

Cisco

Secure Firewall Threat Defense

Version	Status	Scheme	Platform
`7.0.0`	affected	semver	—
`7.0.0.1`	affected	generic	—
`7.0.1`	affected	semver	—
`7.1.0`	affected	semver	—
`7.0.1.1`	affected	generic	—
`7.1.0.1`	affected	generic	—
`7.0.2`	affected	semver	—
`7.2.0`	affected	semver	—
`7.0.2.1`	affected	generic	—
`7.0.3`	affected	semver	—
`7.1.0.2`	affected	generic	—
`7.2.0.1`	affected	generic	—
`7.0.4`	affected	semver	—
`7.2.1`	affected	semver	—
`7.0.5`	affected	semver	—
`7.3.0`	affected	semver	—
`7.2.2`	affected	semver	—
`7.2.3`	affected	semver	—
`7.3.1`	affected	semver	—
`7.1.0.3`	affected	generic	—
`7.2.4`	affected	semver	—
`7.0.6`	affected	semver	—
`7.2.5`	affected	semver	—
`7.2.4.1`	affected	generic	—
`7.3.1.1`	affected	generic	—
`7.4.0`	affected	semver	—
`7.0.6.1`	affected	generic	—
`7.2.5.1`	affected	generic	—
`7.4.1`	affected	semver	—
`7.2.6`	affected	semver	—
`7.4.1.1`	affected	generic	—
`7.0.6.2`	affected	generic	—
`7.2.7`	affected	semver	—
`7.2.5.2`	affected	generic	—
`7.3.1.2`	affected	generic	—
`7.2.8`	affected	semver	—
`7.6.0`	affected	semver	—
`7.4.2`	affected	semver	—
`7.2.8.1`	affected	generic	—
`7.0.6.3`	affected	generic	—
`7.4.2.1`	affected	generic	—
`7.2.9`	affected	semver	—
`7.0.7`	affected	semver	—
`7.7.0`	affected	semver	—
`7.4.2.2`	affected	generic	—
`7.2.10`	affected	semver	—
`7.6.1`	affected	semver	—
`7.4.2.3`	affected	generic	—
`7.0.8`	affected	semver	—
`7.6.2`	affected	semver	—
`7.7.10`	affected	semver	—
`7.2.10.1`	affected	generic	—
`7.0.8.1`	affected	generic	—
`7.6.2.1`	affected	generic	—
`7.2.10.2`	affected	generic	—
`7.7.10.1`	affected	semver	—
`7.4.2.4`	affected	generic	—
`7.4.3`	affected	semver	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.473% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dir-trav-wERgjhWq

History

Mar 5, 2026 9:15 AM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Cisco Cisco secure Firewall Management Center Cisco secure Firewall Threat Defense
Vendors & Products		Cisco Cisco secure Firewall Management Center Cisco secure Firewall Threat Defense

Mar 4, 2026 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mar 4, 2026 6:00 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Cisco Firepower Management Center Software and Firepower Threat Defense Path Traversal Vulnerability
Weaknesses		CWE-27
References		https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dir-trav-wERgjhWq
Metrics		cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H'}`