Input validation error in Sophos Firewall - CVE-2022-1040

 

Input validation error in Sophos Firewall - CVE-2022-1040

Published: March 28, 2022 / Updated: January 8, 2023


Vulnerability identifier: #VU61634
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2022-1040
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Sophos
Affected software:
Sophos Firewall

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to insufficient validation of user-supplied input in the User Portal and Webadmin. A remote attacker can send specially crafted requests to the web interface and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected device.

Note, the vulnerability is being actively exploited in the wild.


How to mitigate CVE-2022-1040

Install updates from vendor's website.

Sources