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CVE-2022-42455

HIGH
7.8
CVSS Score
Published: February 15, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:04 AM UTC
1 product affected across 1 vendorArmoury Crate

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Armoury Crate· ASUS
95%
v < 5.3.4.1
Affected range stops below 5.3.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0003.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-269

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