Information disclosure in Intel(R) Processors (Downfall Attacks)

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2023-026 CVE-2022-40982 08/08/2023 low v1

Vulnerability details

Improper isolation of shared resources vulnerability may allow an authenticated user to potentially enable information disclosure via local access.

Impacted products

Stormshield Network Security low SNS is impacted


Version Date Description
v1 08/09/2023 Initial release


Stormshield Network Security

CVSS v3.1 Overall Score: 1.5      


Impacted version

This vulnerability could allow an attacker with a local access (ability to run on SNS his own code or script) to potentially enable information disclosure. This vulnerability is not exploitable on SNS because the only local access available is the administrator account which is already full privileged access. Therefore this vulnerability has no impact on SNS

The following models are impacted :


All versions

Workaround solution


There is no workaround solution.

As stated in the analysis, this vulnerability can only be exploited locally. On SNS, local access are only granted to user with the highest privileges. Therefore an exploitation of this vulnerability is useless to a SNS local user.

Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Local Low High None Unchanged Low None None
CVSS Base score: 2.3 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Proof of concept code Official fix Confirmed
CVSS Temporal score: 2.1 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
Low Low Low
CVSS Environmental score: 1.5 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/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)