CVE-2023-41165: Stormshield Network Security

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in Stormshield Network Security (SNS) 3.7.0 through 3.7.38 before 3.7.39, 3.10.0 through 3.11.26 before 3.11.27, 4.0 through 4.3.21 before 4.3.22, and 4.4.0 through 4.6.8 before 4.6.9. An administrator with write access to the SNS firewall can configure a login disclaimer with malicious JavaScript elements that can result in data theft.

Affected products

• Stormshield Stormshield Network Security: from 3.7.0, before 3.7.39 (fixed in 3.7.39); from 3.10.0, before 3.11.27 (fixed in 3.11.27); from 4.0.0, before 4.3.22 (fixed in 4.3.22); from 4.4.0, before 4.6.9 (fixed in 4.6.9)

Published 2024-02-29. Last modified 2026-06-17.