CVE-2021-36922
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-36922- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2021-36922- Updated
- 2026-11-02
EUVDEUVD-2021-23498No score
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.
- Record
EUVD-2021-23498- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h6h5-vhg7-36q2
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows...
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.
- Record
GHSA-h6h5-vhg7-36q2- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36922 is a high vulnerability (CVSS 7.8) in Realtek Rtsupx Usb Utility Driver, published November 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.