CVE-2020-3166 MEDIUM

CVE-2020-3166: Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability

Vendor Cisco
Product Cisco Firepower Extensible Operating System (FXOS)
Weakness CWE-20 · Input validation
Published February 26, 2020
Last update November 15, 2024

CVSS base score

4.2/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 26, 2020 CVE published
November 15, 2024 Record updated