Cyber Resilience

CVE-2021-3384

Medium

Published: 02 March 2021

Published
02 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0038 59.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3384 is a medium-severity an unspecified weakness vulnerability in Stormshield Stormshield Network Security. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 40.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

stormshield
stormshield network security
2.0.0 — 2.7.8 · 2.8.0 — 2.16.0 · 3.0.0 — 3.7.17

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References