CVE-2021-3398

5.8 mediumEPSS 0.9%

Medium (5.8) in stormshield stormshield network security. EPSS 0.9% chance of exploitation in the next 30 days.

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

Severity

5.8 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2022-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19