CVE-2021-36923

Description

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.03%

Vendor Advisory realtek.com

Affected: n/a n/a

References

Link	Tags
https://www.sentinelone.com/resources/category/report/	not applicable
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-36923?: CVE-2021-36923 has been scored as a high severity vulnerability.
How to fix CVE-2021-36923?: To fix CVE-2021-36923, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36923 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-36923 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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