Vulnerability in Realtek Rtsupx Usb Utility Driver
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 Control packet to a device.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.sentinelone.com/resources/category/report/ (Not Applicable)
- www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36924?
- CVE-2021-36924 is a high-severity vulnerability in Realtek Rtsupx Usb Utility Driver, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2021-11-02.
- How severe is CVE-2021-36924?
- High severity. CVSS v3 base score is 7.8 out of 10.