Escalation of Privileges in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio
CVE-2021-36923

7.8HIGH

Key Information:

Vendor

Realtek

Status
Rtsupx Usb Utility Driver
Vendor
CVE Published:
2 November 2021

What is CVE-2021-36923?

The RtsUpx USB Utility Driver for Camera/Hub/Audio in versions up to 1.14.0.0 contains a vulnerability that allows local low-privileged users to exploit USB device privileged IN and OUT instructions. This can lead to unauthorized access resulting in potential code execution, denial of service, and information disclosure via a specially crafted Device IO Control packet sent to the device.

References

https://www.sentinelone.com/resources/category/report/
x_refsource_MISC
https://www.realtek.com/images/safe-report/Realtek_RtsUpx...
x_refsource_MISC

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

.