Privilege Escalation Vulnerability in WinFlash Driver Allows Modification of System Firmware
CVE-2023-35841

7.8HIGH

Key Information:

Vendor

Phoenix

Vendor
CVE Published:
14 May 2024

What is CVE-2023-35841?

The Phoenix WinFlash Driver for Windows contains a vulnerability stemming from exposed IOCTL with insufficient access control. This flaw can be exploited to achieve privilege escalation, allowing unauthorized users to modify system firmware. Affected versions include WinFlash Driver released prior to 4.5.0.0. Users are advised to assess their systems and ensure they are not at risk of this vulnerability, which can potentially compromise system integrity and control.

Affected Version(s)

WinFlash Driver Windows 0 < 4.5.0.0

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Takahiro Haruyama of Broadcom
.