SNS : risk of DOS on SNS firewall

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2022-009 CVE-2022-27812 11/22/2021 medium v2

Vulnerability details

Risk of DoS on SNS

Impacted products

Stormshield Network Security medium SNS is impacted


Version Date Description
v1 04/06/2022 Reserved Publication
v2 07/26/2022 Updated and disclosed


Stormshield Network Security

CVSS v3.1 Overall Score: 5.3      


Impacted version

Flooding the firewall with specific forged traffic, can lead to SNS DoS.

  • SNS 3.7.0 to 3.7.29
  • SNS 3.11.0 to 3.11.17
  • SNS 4.2.0 to 4.2.10
  • SNS 4.3.0 to 4.3.6

Workaround solution


There is no workaround solution.

The following versions fix this vulnerability:

  • 3.7.30
  • 3.11.18
  • 4.2.11
  • 4.3.7

Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network Low None None Unchanged None None High
CVSS Base score: 7.5 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploit Code Maturity Remediation Level Report Confidence
Functional exploit exists Official fix Confirmed
CVSS Temporal score: 7 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
Low Low Low
CVSS Environmental score: 5.3 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C/CR:L/IR:L/AR:L/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)