CVE-2018-4020 HIGH

CVE-2018-4020

Vendor Netgate
Product Netgate pfSense
Published December 3, 2018
Last update September 16, 2024

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An exploitable command injection vulnerability exists in the way Netgate pfSense CE 2.4.4-RELEASE processes the parameters of a specific POST request. The attacker can exploit this and gain the ability to execute arbitrary commands on the system. An attacker needs to be able to send authenticated POST requests to the administration web interface. Command injection is possible in the `powerd_ac_mode` POST parameter parameter.

Key dates

02Disclosure timeline

December 3, 2018 CVE published
September 16, 2024 Record updated