CVE-2021-36923
First published: Tue Nov 02 2021(Updated: )
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve unauthorized access to USB device privileged IN and OUT instructions (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Realtek RtsUpx USB Utility Driver | <=1.14.0.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-36923.
What is the severity rating of CVE-2021-36923?
CVE-2021-36923 has a severity rating of 7.8 (high).
What is the affected software?
The affected software is Realtek RtsUpx USB Utility Driver version 1.14.0.0.
What can a local low-privileged user do with this vulnerability?
A local low-privileged user can achieve unauthorized access to USB device privileged IN and OUT instructions, leading to escalation of privileges, denial of service, code execution, and information disclosure.
How can I fix CVE-2021-36923?
To fix CVE-2021-36923, update Realtek RtsUpx USB Utility Driver to a version higher than 1.14.0.0.
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