Medium severity · published Feb 10, 2022
CVE-2021-3398
Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component
5.8
CVSS
0.9%
EPSS
No
On KEV
Description
Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Stormshield Network Security · Stormshield
3.0.0 through 3.7.24; 3.8.0 through 3.11.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3398
Vendor Advisory
https://advisories.stormshield.eu/2021-001/
Vendor Advisory
https://www.stormshield.com/category/alert/
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