CVE-2023-20234

MEDIUM

Cisco FXOS Software - Privilege Escalation

Title source: llm

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an affected device, including system files. The vulnerability occurs because there is no validation of parameters when a specific CLI command is used. An attacker could exploit this vulnerability by authenticating to an affected device and using the command at the CLI. A successful exploit could allow the attacker to overwrite any file on the disk of the affected device, including system files. The attacker must have valid administrative credentials on the affected device to exploit this vulnerability.

Scores

CVSS v3 4.4
EPSS 0.0002
EPSS Percentile 4.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Classification

CWE
CWE-732 CWE-73
Status published

Affected Products (1)

cisco/firepower_extensible_operating_system

Timeline

Published Aug 23, 2023
Tracked Since Feb 18, 2026