CVE-2022-1040
Published 2022-03-25 · Updated 2026-06-17 · Source security-alert@sophos.com
Summary
CVE-2022-1040 is a critical-severity (CVSS 9.8) vulnerability in Sophos Firewall. CISA added it to the Known Exploited Vulnerabilities catalog on March 31, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 21, 2022. CISA does not currently list it as used in ransomware campaigns. Sophos has 7 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 7 known-exploited Sophos vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Sophos — Firewall
Name: Sophos Firewall Authentication Bypass Vulnerability
Date added: 2022-03-31 · Due: 2022-04-21
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html
- https://www.exploit-db.com/exploits/51006
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce
- http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html
- https://www.exploit-db.com/exploits/51006
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040