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CVE-2021-36922

HIGH
7.8
CVSS Score
Published: November 2, 2021 at 12:36 PM UTC
Updated: June 17, 2026 at 03:59 AM UTC
1 product affected across 1 vendorRtsupx USB Utility Driver

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

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 devices (Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
x_refsource_MISCNot Applicable
Source: [email protected]
https://www.sentinelone.com/resources/category/report/

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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