CVE-2022-42455

Name: CVE-2022-42455
Creator: NVD / NIST
Published: 2023-02-15T21:15:10.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2022-42455 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. ASUS EC Tool driver (aka d.sys) 1beb15c90dcf7a5234ed077833a0a3e900969b60be1d04fcebce0a9f8994bdbb, as signed by ASUS and shipped with multiple ASUS software products, contains multiple IOCTL handlers that provide raw read and write access to port I/O and MSRs via unprivileged IOCTL calls. Local users can gain privileges.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

ASUS EC Tool driver (aka d.sys) 1beb15c90dcf7a5234ed077833a0a3e900969b60be1d04fcebce0a9f8994bdbb, as signed by ASUS and shipped with multiple ASUS software products, contains multiple IOCTL handlers that provide raw read and write access to port I/O and MSRs via unprivileged IOCTL calls. Local users can gain privileges.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.16%

5.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Asus	Armoury Crate	< 5.3.4.1

References

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0003.mdThird Party Advisory
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0003.mdThird Party Advisory

Timeline

Published: Feb 15, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-42455?

How severe is CVE-2022-42455?

CVE-2022-42455 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2022-42455?

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-2022-42455?

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

Scan your code now

Source: NVD / NIST