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CVE-2022-34401

HIGHCVSS 7.5/10EPSS 0.17%

Last modified

CVE-2022-34401 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM. . EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.17%

6.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DellAlienware M15 A6 Firmware< 1.4.3
DellAlienware M17 R5 Firmware< 1.4.3
DellG15 5525 Firmware< 1.4.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-34401?
Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.
How severe is CVE-2022-34401?
CVE-2022-34401 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2022-34401?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34401?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST