Vulnerability 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.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Phoenixtech | Winflash | < 4.5.0.0 |
Related Weaknesses (CWE)
References
- https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.htmlExploitThird Party Advisory
- https://jvn.jp/en/vu/JVNVU93886750/index.htmlThird Party Advisory
- https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/Vendor Advisory
- https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.htmlExploitThird Party Advisory
- https://jvn.jp/en/vu/JVNVU93886750/index.htmlThird Party Advisory
- https://www.phoenix.com/security-notifications/cve-2023-35841/Vendor Advisory
FAQ
What is CVE-2023-35841?
CVE-2023-35841 is a vulnerability with a CVSS score of 7.8 (HIGH). 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: be...
How severe is CVE-2023-35841?
CVE-2023-35841 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-35841?
Check the references section above for vendor advisories and patch information. Affected products include: Phoenixtech Winflash.