CVE-2022-34393

Name: CVE-2022-34393
Creator: NVD / NIST
Published: 2023-01-18T06:15:11.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2022-34393 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM. . EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI 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

0.21%

10.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dell	G5 Se 5505 Firmware	< 1.12.1
Dell	Inspiron 27 7775 Firmware	< 2.17.0
Dell	Inspiron 3180 Firmware	< 1.5.0
Dell	Inspiron 3185 Firmware	< 1.5.0
Dell	Inspiron 3195 2-In-1 Firmware	< 1.5.0
Dell	Inspiron 3275 Firmware	< 1.9.1
Dell	Inspiron 3475 Firmware	< 1.9.1
Dell	Inspiron 3505 Firmware	< 1.8.0
Dell	Inspiron 3515 Firmware	< 1.7.0
Dell	Inspiron 3585 Firmware	< 1.9.0
Dell	Inspiron 3595 Firmware	< 1.4.0
Dell	Inspiron 3785 Firmware	< 1.9.0
Dell	Inspiron 5405 Firmware	< 1.8.1
Dell	Inspiron 5415 Firmware	< 1.12.0
Dell	Inspiron 5485 Firmware	< 2.10.1
Dell	Inspiron 5485 2-In-1 Firmware	< 2.10.1
Dell	Inspiron 5505 Firmware	< 1.8.1
Dell	Inspiron 5515 Firmware	< 1.12.0
Dell	Inspiron 5585 Firmware	< 2.10.1
Dell	Inspiron 7375 Firmware	< 1.9.0
Dell	Inspiron 7405 2-In-1 Firmware	< 1.9.1
Dell	Inspiron 7415 Firmware	< 1.12.0
Dell	Vostro 3405 Firmware	< 1.8.0
Dell	Vostro 3515 Firmware	< 1.7.0
Dell	Vostro 5415 Firmware	< 1.12.0
Dell	Vostro 5515 Firmware	< 1.12.0

References

https://www.dell.com/support/kbdoc/000204686Vendor Advisory
https://www.dell.com/support/kbdoc/000204686Vendor Advisory

Timeline

Published: Jan 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34393?

How severe is CVE-2022-34393?

CVE-2022-34393 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34393?

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-2022-34393?

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

Scan your code now

Source: NVD / NIST