---
id: "CVE-2022-3236"
kind: "vulnerability"
aliases: ["CVE-2022-3236"]
title: "sophos firewall: A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos\u2026"
severity: "critical"
cvss: 9.8
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Sophos Firewall", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "sophos firewall", "fixed": [], "affected": "<= 19.0.1", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "infrastructure", "self-hosted", "sophos-firewall"]
not_affected_if: ["unknown"]
published_at: "2022-09-23T00:00:00+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-3236", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3236", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# sophos firewall: A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos…

Sophos Firewall's User Portal and Webadmin contain a code injection flaw. An attacker who can reach these web interfaces can run code on the firewall.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Sophos Firewall affected ? fixed ?
- vendor:sophos firewall affected <= 19.0.1 fixed ?

## Fix

Apply the vendor update per Sophos instructions; CISA's required action is to apply updates per vendor instructions. Specific fixed versions are unknown from the sources.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-3236
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2022-3236

## From the sources

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

CISA required action: Apply updates per vendor instructions.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_