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: 9.3 [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]
CVE-ID: CVE-2022-1040
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
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.
Affected software
Sophos Firewall
How to mitigate CVE-2022-1040
Install updates from vendor's website.
Sophos Firewall - addressed in versions 18.5.4, 19.0.0
Links to Public Exploits and PoC-codes
- Exploit #8713 - CVE-2022-1040 (Sophos EXploit) (January 8, 2023)
- Exploit #8512 - Sophos XG115w Firewall 17.0.10 MR-10 Authentication Bypass (October 22, 2022)
- Exploit #8451 - cve-2022-1040 (Save the trouble to open the burpsuite...) (October 8, 2022)
- Exploit #8398 - Sophos-Vulnerability (CVE-2022-1040) (September 25, 2022)
- Exploit #8375 - Sophos XG115w Firewall 17.0.10 MR-10 - Authentication Bypass (September 18, 2022)
- Exploit #8236 - CVE-2022-1040 (This vulnerability allows an attacker to gain unauthorized access to the firewall management space by bypassing authentication) (August 10, 2022)
- Exploit #7723 - CVE-2022-1040 (may the poc with you) (May 8, 2022)