Dell PowerEdge BIOS and Dell Precision BIOS contain an Improper SMM communication buffer verification vulnerability.

Published 3 y ago 2023-03-16 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.5

v3.1 · CNA

CISA KEV

not known exploited

EPSS

0.2%

percentile 11%

Public exploits

none known

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.

CISA SSVC assessment

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 20 mo ago 2025-02-26

Exploit prediction (EPSS)

0.21% probability of exploitation in the next 30 days, higher than 11% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.1	7.5	`CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H`
CISA ADP	3.1	6.7	`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
CNA	3.1	7.5	`CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H`
NVD	3.1	6.7	`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
CNA	3.1	6.7	`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`

Affected products

Dell PowerEdge Platform

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

dell.com /support/kbdoc/en-us/000206296/dsa-2022-204-dell-poweredge-improper-smm-communication-buff · vendor-advisory, x_transferred

Sources

CVE List: CVE-2022-34412
NVD: CVE-2022-34412

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary