4.2 Medium

CVE-2020-3166 A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write…

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

Affected products and versions

Product	Affected versions	Fixed in
Cisco Firepower Extensible Operating System (FXOS)	Versions not published

References

20200226 Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability tools.cisco.com

Timeline

Published February 26, 2020
Last modified November 15, 2024

The 15 CVEs of Cisco Firepower Extensible Operating System (FXOS) →

CVE-2026-20099 A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could… 6.7 Medium CVE-2026-20091 A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could… 4.8 Medium CVE-2024-20294 A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software… 6.6 Medium CVE-2023-20234 A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or… 4.4 Medium

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