Sophos XG Firewall <= 18.5.3 RCE

critical Nessus Plugin ID 159541


The remote Sophos XG Firewall is affected by a remote code execution vulnerability.


An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Refer to the vendor advisory

See Also

Plugin Details

Severity: Critical

ID: 159541

File Name: sophos_xg_sophos-sa-20220325-sfos-rce.nasl

Version: 1.3

Type: remote

Family: Firewalls

Published: 4/6/2022

Updated: 4/25/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information


Risk Factor: Critical

Score: 9.2


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2022-1040


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:sophos:xg_firewall_firmware

Required KB Items: installed_sw/Sophos XG Firewall, Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/25/2022

Vulnerability Publication Date: 3/25/2022

CISA Known Exploited Vulnerability Due Dates: 4/21/2022

Reference Information

CVE: CVE-2022-1040