Vulnerability Monitor

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CVE-2023-35841

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.

Published

2024-05-14T16:15:36.953

Last Modified

2025-09-25T17:10:34.097

Status

Analyzed

Source

22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses

Type: Secondary
CWE-732
CWE-782

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	phoenixtech	winflash	< 4.5.0.0	Yes

References

https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html Exploit, Third Party Advisory (22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de)
https://jvn.jp/en/vu/JVNVU93886750/index.html Third Party Advisory (22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de)
https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/ Vendor Advisory (22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de)
https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://jvn.jp/en/vu/JVNVU93886750/index.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.phoenix.com/security-notifications/cve-2023-35841/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)