CVE-2022-3236
Sophos Firewall Code Injection Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 23 Sep 2022
Description
A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.
Key facts
- Published
- 23 Sep 2022
- Last changed
- 7 Oct 2026
- Assigned by
- Sophos
- KEV added
- 23 Sep 2022
- KEV fix due
- 14 Oct 2022
- EPSS
- 98.905% likely to be exploited in the next 30 days, higher than 99.928% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom the CNA (Sophos)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Sophos | Sophos Firewall |
|
Timeline
- 23 Sep 2022 Added to the CISA KEV catalogue
- 23 Sep 2022 Published