What is CVE-2022-3711?

CVE-2022-3711 is a medium-severity vulnerability in Sophos Firewall, classified under SQL Injection. CVSS score: 4.3/10. Published 2022-12-01.

How severe is CVE-2022-3711?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SQL Injection in Sophos Firewall

CVE-2022-3711

A post-auth read-only SQL injection vulnerability allows users to read non-sensitive configuration database contents in the User Portal of Sophos Firewall releases older than version 19.5 GA.

Vulnerability class: SQL Injection

Published 2022-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.sophos.com/en-us/security-advisories/sophos-sa-20221201-sfos-19-5-0 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3711?: CVE-2022-3711 is a medium-severity vulnerability in Sophos Firewall, classified under SQL Injection. CVSS score: 4.3/10. Published 2022-12-01.
How severe is CVE-2022-3711?: Medium severity. CVSS v3 base score is 4.3 out of 10.