{"id":"CVE-2021-36924","aliases":["EUVD-2021-23500","GHSA-3qcr-p3xq-5c4r"],"status":"published","title":"RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows...","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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00209,"percentile":0.11237,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367","CWE-400"],"published":"2021-11-02T12:37:15Z","modified":"2026-06-17T03:59:38Z","products":[{"vendor":"realtek","product":"rtsupx_usb_utility_driver"}],"references":[{"url":"https://www.sentinelone.com/resources/category/report/","tags":["x_refsource_MISC","x_transferred","Not Applicable"]},{"url":"https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36924"},{"url":"https://github.com/advisories/GHSA-3qcr-p3xq-5c4r"}],"sources":{"cve":[{"id":"CVE-2021-36924","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.","status":"published","published":"2021-11-02T12:37:15Z","modified":"2024-08-04T01:09:07.368Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23500","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.","status":"published","published":"2021-11-02T12:37:15Z","modified":"2024-08-04T01:09:07Z","updated_at":"2026-11-03T03:24:28.884961Z"}],"ghsa":[{"id":"GHSA-3qcr-p3xq-5c4r","title":"RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows...","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.","status":"published","published":"2022-05-24T19:19:29Z","modified":"2023-01-27T05:04:20Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:42:26.227554Z"}],"nvd":[{"id":"CVE-2021-36924","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.","status":"published","published":"2021-11-02T13:15:07.763Z","modified":"2026-06-17T03:59:38.52Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}