CVE-2021-3398
Medium
Published: 10 February 2022
Published
10 February 2022
Modified
21 November 2024
KEV Added
—
Patch
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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
- 🇪🇺 ENISA EUVD: EUVD-2021-26726
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.