Is CVE-2022-34390 in the CISA KEV catalog?

No. CVE-2022-34390 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-34390?

CVE-2022-34390 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-34390?

CVE-2022-34390 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-34390?

Upgrade alienware area-51 r4 firmware to 2.0.6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-34390

HIGH

7.5

CVSS v3

NVD

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.

CWE-457 CWE-908

How to fix

Remediation Available

alienware area-51 r4 firmwareNVD

Affected:< 2.0.6Fixed in:2.0.6CVE-2022-34390derived from NVD

alienware area-51 r5 firmwareNVD

Affected:< 2.0.6Fixed in:2.0.6CVE-2022-34390derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-457 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2009-0901	High	8.8	42%	-	-
CVE-2021-40418	Critical	9.8	18%	-	-
CVE-2019-11038	Medium	5.3	4.3%	-	Fix
CVE-2021-31435	High	7.8	2.8%	-	-
CVE-2021-46570	High	7.8	2.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.