Hazard

Is CVE-2022-3236 being exploited?

Weaponised and widely attempted

Reliable public exploit code exists, or mass exploitation attempts are probable. Patch inside days, not weeks.

Sophos Firewall Code Injection Vulnerability

Sophos · Firewall

CVSS 9.8 EPSS 99% no public exploit indexed Fix deadline passed 14 October 2022

What it is

A code injection vulnerability in the User Portal and Webadmin of Sophos Firewall allows for remote code execution.

Why we say that

  • EPSS puts exploitation in the next 30 days at 99%
  • CISA's federal remediation deadline (2022-10-14) has passed
  • CVSS 9.8 critical
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →