CVE-2022-34377

Dell PowerEdge BIOS contains an Improper SMM communication buffer verification vulnerability. A...

1.9 Low

Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

0.17%Down 0.9 points since Feb 11, 2023

What each source reports

CVE List Score used 1.9

Record: CVE-2022-34377
CVSS 3.1: 1.9 LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-119
Updated: 2026-11-02

EUVDEUVD-2022-37332 1.9

Record: EUVD-2022-37332
CVSS 3.1: 1.9 LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-88vj-f7qv-vm8f 6.7

Dell PowerEdge BIOS contains an Improper SMM communication buffer verification vulnerability. A...

Dell PowerEdge BIOS contains an Improper SMM communication buffer verification vulnerability. A local malicious user with high Privileges may potentially exploit this vulnerability to perform arbitrary code execution or cause denial of service.

Record: GHSA-88vj-f7qv-vm8f
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

NVD 1.9

Record: CVE-2022-34377
CVSS 3.1: 1.9 LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-34377 is a low vulnerability (CVSS 1.9) in Dell C4130 Firmware, published February 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 5th percentile. No source names a fixed version.