PRIOn Logo

CVE-2023-35841 Improper access control

Routine
Remediate Within 6 Months

CVE Information

Original CVE data

Published:
Updated:

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.

CWE:
CVSS v2-
CVSS v3-
References
https://www.phoenix.com/security-notifications/cve-2023-35841/
https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html
https://jvn.jp/en/vu/JVNVU93886750/index.html
Affected Vendors

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Improper access control

CVSS Scores as calculated by PRIOnengine
CVSS v24.6
AV:L/AC:L/AU:N/C:P/I:P/A:P
CVSS v37.8
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
MITRE CWE Top 25

-

Exploits

No exploit code is reported to exist.

Active Exploitation

Vulnerability is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

-

Threat Actor Activity

No sightings of the vulnerability within threat reports.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1529 - System Shutdown/Reboot
T1499.004 - Endpoint Denial of Service (Application or System Exploitation)
T1203 - Exploitation for Client Execution
T1068 - Exploitation for Privilege Escalation
T1059 - Command and Scripting Interpreter

Compliance Impact

How the submited vulnerability affects compliance

PCI DSS v3.2.1-6.5.8 - Improper Access Control

Web Application Security Frameworks

Applicable if the issue likely affects a web application

-