CVE-2021-36923

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.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf	Vendor Advisory
https://www.sentinelone.com/resources/category/report/	Not Applicable
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf	Vendor Advisory
https://www.sentinelone.com/resources/category/report/	Not Applicable

Configurations

Configuration 1 (hide)

cpe:2.3:a:realtek:rtsupx_usb_utility_driver:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:14

Type	Values Removed	Values Added
References	~~() https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf - Vendor Advisory~~	() https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf - Vendor Advisory
References	~~() https://www.sentinelone.com/resources/category/report/ - Not Applicable~~	() https://www.sentinelone.com/resources/category/report/ - Not Applicable

Information

Published : 2021-11-02 13:15

Updated : 2024-11-21 06:14

NVD link : CVE-2021-36923

Mitre link : CVE-2021-36923

CVE.ORG link : CVE-2021-36923

JSON object : View

Products Affected

realtek

rtsupx_usb_utility_driver

CWE

NVD-CWE-noinfo

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