SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-34390

Dell BIOS contains a use of uninitialized variable vulnerability.

HIGH 7.8EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.17% probability · 6th percentile
CISA KEV
Not listed
Weakness
CWE-457, CWE-908
Affected
dell/alienware area-51 r5 firmware · dell/alienware area-51 r4 firmware
Source
security_alert@emc.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.