Cyber Resilience

CVE-2021-3398

Medium

Published: 10 February 2022

Published
10 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS Score 0.0033 56.2th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3398 is a medium-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Stormshield Stormshield Network Security. Its CVSS base score is 5.8 (Medium).

Operationally, ranked in the top 43.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

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

Affected Assets

stormshield
stormshield network security
3.0.0 — 3.7.24 · 3.8.0 — 3.11.12

Mitigating Controls

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

References