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

CVE-2021-3398

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

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

MEDIUM · CVSS 5.8 EPSS 0.00328
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

2
stormshield network security>= 3.0.0 and <= 3.7.24
stormshield network security>= 3.8.0 and <= 3.11.12
▣

Scoring & Timeline

5.8
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Feb 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://advisories.stormshield.eu/2021-001/Vendor Advisory
https://www.stormshield.com/category/alert/Vendor Advisory
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