CVE-2023-35841

moderate-risk
Published 2024-05-14

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.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Winflash

Affected Vendors

Phoenixtech

References (6)

Exploit https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html
Third Party Advisory https://jvn.jp/en/vu/JVNVU93886750/index.html
Vendor Advisory https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/
Exploit https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html
Third Party Advisory https://jvn.jp/en/vu/JVNVU93886750/index.html
Vendor Advisory https://www.phoenix.com/security-notifications/cve-2023-35841/
30
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal