Vulnerability Details : 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.
Vulnerability category: BypassDenial of serviceInformation leak
Products affected by CVE-2021-36923
- cpe:2.3:a:realtek:rtsupx_usb_utility_driver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-36923
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-36923
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2021-36923
-
https://www.sentinelone.com/resources/category/report/
Reports Archives - SentinelOne NLNot Applicable
-
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
Vendor Advisory
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