What’s Vulnerable › Vulnerabilities

CVE-2023-47091

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-25 · updated 2026-06-17
• Weakness: CWE-120

Description

An issue was discovered in Stormshield Network Security (SNS) SNS 4.3.13 through 4.3.22 before 4.3.23, SNS 4.6.0 through 4.6.9 before 4.6.10, and SNS 4.7.0 through 4.7.1 before 4.7.2. An attacker can overflow the cookie threshold, making an IPsec connection impossible.

Affected products

• Stormshield Network Security: from 4.3.13 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
• https://advisories.stormshield.eu/2023-024/
• https://advisories.stormshield.eu
• https://advisories.stormshield.eu/2023-024/

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