CVE-2022-27812: Stormshield Network Security

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Flooding SNS firewall versions 3.7.0 to 3.7.29, 3.11.0 to 3.11.17, 4.2.0 to 4.2.10, and 4.3.0 to 4.3.6 with specific forged traffic, can lead to SNS DoS.

Affected products

• Stormshield Stormshield Network Security: from 3.7.0, before 3.7.30 (fixed in 3.7.30); from 3.11.0, before 3.11.18 (fixed in 3.11.18); from 4.2.0, before 4.2.11 (fixed in 4.2.11); from 4.3.0, before 4.3.7 (fixed in 4.3.7)

Published 2022-08-24. Last modified 2026-06-17.