Failure to validate user rights for SSL VPN connection

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2025-011 11/13/2025 medium v1

Vulnerability details

Failure to validate user rights for SSL VPN connection

Impacted products

ProductsSeverityDetail
Stormshield Network Security medium SNS is impacted.

Revisions

Version Date Description
v1 02/19/2026 Initial release


Stormshield Network Security

CVSS v3.1 Overall Score: 5.1      

Analysis

Impacted version

A user with an account on the SNS firewall can access the SSL VPN without having the rights.

  • SNS 5.0.2 EA to 5.0.4 EA

Workaround solution

Solution

There is no workaround solution.

The following update will fix this vulnerability:

  • SNS 5.0.5


Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network Low Low None Changed Low Low None
CVSS Base score: 6.4 CVSS Vector: (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Proof of concept code Official fix Confirmed
CVSS Temporal score: 5.8 CVSS Vector: (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C)
Attack Vector (MAV) Attack Complexity (MAC) Privileges Required (MPR) User Interaction (MUI) Scope (MS)
Network Low Low None Changed
Confidentiality Impact (MC) Integrity Impact (MI) Availability Impact (MA)
Low Low None
Confidentiality Requirement (CR) Integrity Requirement (IR) Availability Requirement (AR)
Medium Low Low
CVSS Environmental score: 5.1 CVSS Vector: (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C/CR:M/IR:L/AR:L/MAV:N/MAC:L/MPR:L/MUI:N/MS:C/MC:L/MI:L/MA:N)