CVE-2022-34399 | BDVDB-2026-193397 Detail

DellCPG BIOS

Description#

Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability. A malicious user with admin privileges could potentially exploit this vulnerability by sending input larger than expected in order to leak certain sections of SMRAM.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-805 Buffer Access with Incorrect Length Value

References#

https://www.dell.com/support/kbdoc/en-us/000205329/dsa-2022-317-dell-client-security-update-for-dell-client-bios

Exploit#

No public exploit known

History#

Version 12023-01-18Record published in the CVE List.
Version 22025-04-03Most recent update recorded in the CVE List.

Published

Published: 2023-01-18
Last modified: 2025-04-03

Vendor information

Vendor: Dell
Product: CPG BIOS

All Dell vulnerabilities

Score

5.1 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.5.

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
< 1.2.2
Fixed
1.2.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.1 Medium

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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