{"id":"CVE-2020-9014","aliases":["EUVD-2020-29845","GHSA-q92v-wh8q-5wcp"],"status":"published","title":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial...","description":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \\Device\\EMPNSAUIO and \\DosDevices\\EMPNSAU are similarly affected.","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":"2026-11-08","score":0.00376,"percentile":0.31783,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-02-05T18:50:05Z","modified":"2026-06-17T03:27:20Z","products":[{"vendor":"epson","product":"iprojection"}],"references":[{"url":"https://epson.com/wireless-projector-app","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://github.com/FULLSHADE/Kernel-exploits","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_NSAU.sys","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://epson.com/Support/wa00935","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9014"},{"url":"https://github.com/advisories/GHSA-q92v-wh8q-5wcp"}],"sources":{"cve":[{"id":"CVE-2020-9014","description":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \\Device\\EMPNSAUIO and \\DosDevices\\EMPNSAU are similarly affected.","status":"published","published":"2021-02-05T18:50:05Z","modified":"2024-08-04T10:19:20.003Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-29845","description":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \\Device\\EMPNSAUIO and \\DosDevices\\EMPNSAU are similarly affected.","status":"published","published":"2021-02-05T18:50:05Z","modified":"2024-08-04T10:19:20Z","updated_at":"2026-11-03T03:07:55.179323Z"}],"ghsa":[{"id":"GHSA-q92v-wh8q-5wcp","title":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial...","description":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \\Device\\EMPNSAUIO and \\DosDevices\\EMPNSAU are similarly affected.","status":"published","published":"2022-05-24T17:41:12Z","modified":"2023-01-27T05:02:34Z","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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:04.146384Z"}],"nvd":[{"id":"CVE-2020-9014","description":"In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \\Device\\EMPNSAUIO and \\DosDevices\\EMPNSAU are similarly affected.","status":"published","published":"2021-02-05T19:15:12.117Z","modified":"2026-06-17T03:27:20.583Z","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"}],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}