CVE-2023-35841

WinFlash Driver Permissions Issue

Published May 14, 2024 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-39834 Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
History
Type Values Removed Values Added
First Time appeared Phoenixtech
Phoenixtech winflash
CPEs cpe:2.3:a:phoenixtech:winflash:*:*:*:*:*:windows:*:*
Vendors & Products Phoenixtech
Phoenixtech winflash
Type Values Removed Values Added
Description Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0. Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Phoenix
Published
Updated
Jul 28, 2025, 8:49 PM
Reserved
Jun 19, 2023, 12:35 AM
Status
Analyzed
Published
May 14, 2024, 4:15 PM
Modified
Jun 17, 2026, 6:05 AM