What’s Vulnerable › Vulnerabilities

CVE-2023-41166

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-21 · updated 2026-06-17

Description

An issue was discovered in Stormshield Network Security (SNS) 3.7.0 through 3.7.39, 3.11.0 through 3.11.27, 4.3.0 through 4.3.22, 4.6.0 through 4.6.9, and 4.7.0 through 4.7.1. It's possible to know if a specific user account exists on the SNS firewall by using remote access commands.

Affected products

• Stormshield Network Security: from 3.7.0 through 3.7.39; from 3.11.0 through 3.11.27; from 4.3.0 before 4.3.23; from 4.6.0 before 4.6.10; from 4.7.0 before 4.7.2 — fixed in 4.3.23, 4.6.10, 4.7.2

How to fix

Upgrade to a fixed version: Stormshield Network Security 4.3.23, 4.6.10, 4.7.2. Check the vendor advisory for mitigations.

References

• https://advisories.stormshield.eu/2023-027
• https://advisories.stormshield.eu/2023-027

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