CVE-2023-20234

MediumCVSS 6.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.0/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 23, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-202358.8A vulnerability in the on-device application development workflow feature for the Cisco IOx application hosting infrastructure in Cisco IOS CVE-2023-202367.8A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified sofCVE-2023-202374.3A vulnerability in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access internal HTTP services thaCVE-2023-202389.8A vulnerability in the single sign-on (SSO) implementation of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended SeCVE-2023-20247.5Improper authentication in OpenBlue Enterprise Manager Data Collector versions prior to 3.2.5.75 allow access to an unauthorized user under CVE-2023-202405.5Multiple vulnerabilities in Cisco Secure Client Software, formerly AnyConnect Secure Mobility Client, could allow an authenticated, local atCVE-2023-202415.5Multiple vulnerabilities in Cisco Secure Client Software, formerly AnyConnect Secure Mobility Client, could allow an authenticated, local atCVE-2023-202426.1A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session ManagemCVE-2023-202438.6A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attaCVE-2023-202448.6A vulnerability in the internal packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series FirewallsCVE-2023-202455.8Multiple vulnerabilities in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat DefCVE-2023-202465.3Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacke
CVE-2023-20234: Medium severity, CVSS 6.0 | Vulnix