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CVE-2022-1040VulnerabilityPublished 03/31/2022Updated 10/24/2026

CVE-2022-1040: Sophos Firewall Authentication Bypass Vulnerability

Affects Sophos FirewallSource CISA KEV

Severity
High

No CVSS score published yet

Exploitation

Actively exploited – in CISA KEV since 03/31/2022

KEV deadline
04/21/2022
EPSS
99.8% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

Description

CVE-2022-1040 is an authentication bypass vulnerability in the User Portal and Webadmin interfaces of Sophos Firewall. This flaw allows remote attackers to bypass authentication controls, potentially leading to remote code execution. The vulnerability has been exploited in the wild, indicating active threat usage. No specific affected versions or patch information are provided in the available data.

Weaknesses

References

Track Sophos Firewall with alerts and the API. See plans

Added 10/24/2026 · analysed 10/24/2026 · updated 10/24/2026