{"id":"CVE-2020-12431","aliases":["EUVD-2020-4743","GHSA-cmcx-h36r-grrw"],"status":"published","title":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16....","description":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0055,"percentile":0.46307,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427","CWE-732"],"published":"2020-05-21T16:16:21Z","modified":"2026-06-17T02:51:49Z","products":[{"vendor":"splashtop","product":"software_updater"},{"vendor":"splashtop","product":"streamer"}],"references":[{"url":"https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/360042648231-Splashtop-Streamer-version-3-3-8-0-for-Windows-released-includes-SOS-version-3-3-8-0","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://improsec.com/tech-blog/privilege-escalation-vulnerability-in-splashtop-streamer","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12431"},{"url":"https://github.com/advisories/GHSA-cmcx-h36r-grrw"}],"sources":{"cve":[{"id":"CVE-2020-12431","description":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).","status":"published","published":"2020-05-21T16:16:21Z","modified":"2024-08-04T11:56:52.071Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4743","description":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).","status":"published","published":"2020-05-21T16:16:21Z","modified":"2024-08-04T11:56:52Z","updated_at":"2026-11-03T03:07:39.896975Z"}],"ghsa":[{"id":"GHSA-cmcx-h36r-grrw","title":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16....","description":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).","status":"published","published":"2022-05-24T17:18:14Z","modified":"2023-01-29T05:02:34Z","cwes":["CWE-427"],"updated_at":"2026-11-02T14:45:07.130995Z"}],"nvd":[{"id":"CVE-2020-12431","description":"A Windows privilege change issue was discovered in Splashtop Software Updater before 1.5.6.16. Insecure permissions on the configuration file and named pipe allow for local privilege escalation to NT AUTHORITY/SYSTEM, by forcing a permission change to any Splashtop files and directories, with resultant DLL hijacking. This product is bundled with Splashtop Streamer (before 3.3.8.0) and Splashtop Business (before 3.3.8.0).","status":"published","published":"2020-05-21T17:15:10.147Z","modified":"2026-06-17T02:51:49.353Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.3,"vector":"AV:L/AC:M/Au:N/C:N/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:04.922138Z"}]}}