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CVE-2023-35841 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: Phoenix Technologies, Inc.CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html Phoenix Technologies, Inc.ExploitThird Party Advisory
https://jvn.jp/en/vu/JVNVU93886750/index.html Phoenix Technologies, Inc.Third Party Advisory
https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/ Phoenix Technologies, Inc.Vendor Advisory
https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html CVEExploitThird Party Advisory
https://jvn.jp/en/vu/JVNVU93886750/index.html CVEThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-732Incorrect Permission Assignment for Critical ResourcePhoenix Technologies, Inc.
CWE-782Exposed IOCTL with Insufficient Access ControlPhoenix Technologies, Inc.

Affected Products

ProductVersions
phoenixtech winflash
< 4.5.0.0

CPE

  • cpe:2.3:a:phoenixtech:winflash:*:*:*:*:*:windows:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-35841
NVD Published Date:
May 14, 2024
NVD Last Modified:
Jun 17, 2026
Source:
Phoenix Technologies, Inc.