CVE-2021-36924
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve a pool overflow (leading to Escalation of Privileges, Denial of Service, and Code Execution) via a crafted Device IO…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 a pool overflow (leading to Escalation of Privileges, Denial of Service, and Code Execution) via a crafted Device IO Control packet to a device.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- realtek/rtsupx usb utility driver
- Source
- cve@mitre.org
References
- https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdfVendor Advisory
- https://www.sentinelone.com/resources/category/report/Not Applicable
- https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdfVendor Advisory
- https://www.sentinelone.com/resources/category/report/Not Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.