CVE-2023-35841

high

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

https://www.phoenix.com/security-notifications/cve-2023-35841/

https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/

https://jvn.jp/en/vu/JVNVU93886750/index.html

https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html

Details

Source: Mitre, NVD

Published: 2024-05-14

Updated: 2025-07-28

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00048

Detections

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