What’s Vulnerable › Vulnerabilities

CVE-2021-3398

• Severity: medium (CVSS 5.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-10 · updated 2026-06-17
• Weakness: CWE-190

Description

Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.

Affected products

• Stormshield Network Security: from 3.0.0 through 3.7.24; from 3.8.0 through 3.11.12

References

• https://advisories.stormshield.eu/2021-001/
• https://www.stormshield.com/category/alert/
• https://advisories.stormshield.eu/2021-001/
• https://www.stormshield.com/category/alert/

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