CVE-2023-35841

HIGH

Phoenixtech Winflash < 4.5.0.0 - Privilege Escalation

Title source: rule
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 7.8
EPSS 0.0015
EPSS Percentile 35.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-732 CWE-782
Status published
Products (1)
phoenixtech/winflash < 4.5.0.0
Published May 14, 2024
Tracked Since Feb 18, 2026