Medium severity5.3NVD Advisory· Published Mar 2, 2021· Updated Jun 17, 2026
CVE-2021-3384
CVE-2021-3384
Description
A vulnerability in Stormshield Network Security could allow an attacker to trigger a protection related to ARP/NDP tables management, which would temporarily prevent the system to contact new hosts via IPv4 or IPv6. This affects versions 2.0.0 to 2.7.7, 2.8.0 to 2.16.0, 3.0.0 to 3.7.16, 3.8.0 to 3.11.4, and 4.0.0 to 4.1.5. Fixed in versions 2.7.8, 3.7.17, 3.11.5, and 4.2.0.
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Affected products
3- Stormshield/Network Securitydescription
- Range: 2.0.0 - 2.7.7, 2.8.0 - 2.16.0, 3.0.0 - 3.7.16, 3.8.0 - 3.11.4, 4.0.0 - 4.1.5
- cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*Range: >=2.0.0,<2.7.8
Patches
Vulnerability mechanics
References
1- advisories.stormshield.eu/2020-049/nvdVendor Advisory
News mentions
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