CVE-2022-34390 | BDVDB-2026-186352 Detail

DellCPG BIOS

Description#

Dell BIOS contains a use of uninitialized variable vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-457 Use of Uninitialized Variable

References#

https://www.dell.com/support/kbdoc/000203882

Exploit#

No public exploit known

History#

Version 12022-10-12Record published in the CVE List.
Version 22025-05-12Most recent update recorded in the CVE List.

Published

Published: 2022-10-12
Last modified: 2025-05-12

Vendor information

Vendor: Dell
Product: CPG BIOS

All Dell vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 8 MSI Platforms
Fixed
8 MSI Platforms

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).