SNS – Vulnerability in Intel Ethernet Series Controllers firmware

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2021-049 CVE-2021-0200 07/27/2021 medium v1

Vulnerability details

A vulnerability in the firmware for Intel(R)Ethernet 700 Series Controllers may allow a privileged user to potentially enable an escalation of privilege via local access.

Impacted products

ProductsSeverityDetail
Stormshield Network Security medium SNS is impacted

Revisions

Version Date Description
v1 27/07/2021 Initial release
v2 24/03/2023 Public release


Stormshield Network Security

CVSS v3.1 Overall Score: 5.8      

Analysis

Impacted version

The firmware for Intel(R)Ethernet 700 Series Controllers may allow a privileged user to potentially enable an escalation of privilege via local access. This only applies to specific model. Please check the list below.
  • SNS versions prior to 4.4.0

Those hardware models only are impacted :

  • SN6100
  • NA-EX-CARD-2x40G-FIB
  • NA-NW-CARD-4x10G-F
  • NA-EX-CARD-4x10G-COP

Workaround solution

Solution

There is no workaround solution.

The 4.4.0 update will fix this vulnerability.



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Local Low High None Unchanged High High High
CVSS Base score: 6.7 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 5.8 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
High High High
CVSS Environmental score: 5.8 CVSS Vector: (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C/CR:H/IR:H/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)