Authentication Bypass in Sophos Firewall
CVE-2022-1040

9.8CRITICAL

Key Information:

Vendor: Sophos
Status: Sophos Firewall
Vendor: CVE Published:; 25 March 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

Summary

An authentication bypass vulnerability exists in the User Portal and Webadmin of Sophos Firewall, enabling remote attackers to execute arbitrary code on the system. Affected versions include v18.5 MR3 and older. This security flaw allows unauthorized access, potentially leading to further exploitation or compromise of the firewall system. Administrators are urged to update to a patched version to mitigate potential risks.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Sophos Firewall <= 18.5 MR3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-1040 - Proof of Concept

CVE-2022-1040
Created by killvxk

Sophos-Vulnerability
Created by jam620