CVE record · CVE-2022-3236

Code injection in Sophos Firewall

CVSS 9.8 CriticalCriticalIn CISA KEVEPSS 0.99 · 99th percentile

Critical, because:

In CISA’s KEV catalogue since 23 Sept 2022: it is known to be exploited.
CVSS score 9.8: 9.0 or more.
CVSS score 9.8 (7.0 or more) and EPSS 0.99 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: Sophos) at 23 Sept 2022, 12:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Sophos	Sophos Firewall	affected unspecified to 18.5 MR4, inclusive custom affected unspecified to 19.0 MR1, inclusive custom

Identifiers: CVE-2022-3236
CNA: Sophos
Weakness (CWE): CWE-94
Tags: Sophos Firewall
Code injection
Published: 23 Sept 2022
Updated: 7 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Sophos)

CISA KEV Listed since 23 Sept 2022: known to be exploited.
EPSS 0.99, the 99th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 23 Sept 2022. New records show when each source confirmed them.

Sources

References from the CNA

www.sophos.com/en-us/security-advisories/sophos-sa-20220923-sfos-rce confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.