How severe is CVE-2022-34399?

CVE-2022-34399 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2022-34399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34399?

CVE-2022-34399 primarily affects Dell Alienware M15 A6 Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-34399 published?

CVE-2022-34399 was published on 2023-01-18 and last updated on 2026-06-17.

CVE-2022-34399

CVE-2022-34399 is a medium-severity vulnerability in Dell Alienware M15 A6 Firmware with a CVSS 3.x base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dell Alienware M15 A6 Firmware
Published: 2023-01-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-34399?: 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.
How severe is CVE-2022-34399?: CVE-2022-34399 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2022-34399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34399?: CVE-2022-34399 primarily affects Dell Alienware M15 A6 Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34399 published?: CVE-2022-34399 was published on 2023-01-18 and last updated on 2026-06-17.

References

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

Affected products (15)

cpe:2.3:o:dell:alienware_m15_a6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m15_ryzen_edition_r5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:alienware_m17_ryzen_edition_r5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:g15_5515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:g15_5525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3505_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3585_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3595_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3785_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3405_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3425_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3525_firmware:*:*:*:*:*:*:*:*

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