{"id":"CVE-2021-28686","aliases":["EUVD-2021-15343","GHSA-f675-6gv9-54vc"],"status":"published","title":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to...","description":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00259,"percentile":0.17734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-04-08T10:19:42Z","modified":"2026-06-17T03:46:47Z","products":[{"vendor":"asus","product":"gputweak_ii"}],"references":[{"url":"https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28686"},{"url":"https://github.com/advisories/GHSA-f675-6gv9-54vc"}],"sources":{"cve":[{"id":"CVE-2021-28686","description":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.","status":"published","published":"2021-04-08T10:19:42Z","modified":"2024-08-03T21:47:33.236Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15343","description":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.","status":"published","published":"2021-04-08T10:19:42Z","modified":"2024-08-03T21:47:33Z","updated_at":"2026-11-03T03:24:46.117926Z"}],"ghsa":[{"id":"GHSA-f675-6gv9-54vc","title":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to...","description":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.","status":"published","published":"2022-05-24T17:46:54Z","modified":"2023-01-29T05:06:17Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:59.496932Z"}],"nvd":[{"id":"CVE-2021-28686","description":"AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.","status":"published","published":"2021-04-08T11:15:12.883Z","modified":"2026-06-17T03:46:47.663Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}