{"id":"CVE-2025-43715","aliases":["DEBIAN-CVE-2025-43715","EUVD-2025-11523","GHSA-g9m2-7jc6-pmvf","UBUNTU-CVE-2025-43715"],"status":"published","title":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate...","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00332,"percentile":0.26663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-754"],"published":"2025-04-17T00:00:00Z","modified":"2026-10-17T12:56:51Z","fixes":[{"ecosystem":"Debian:13","package":"nsis","fixed_in":["3.11-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nsis","fixed_in":["3.11-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.08-3","3.08-3+deb12u1","3.09-1","3.09-2","3.09-3","3.09-4","3.10-1","3.10-2","3.11-1","3.12-1"]},{"source":"osv","ecosystem":"Debian:13","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.46-7","2.46-7ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.46-10.1","2.48-2","2.50-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.51-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.04-1","3.04-2","3.05-1","3.05-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.06.1-1","3.08-1","3.08-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.09-1","3.09-2","3.09-3","3.09-4","3.09-4ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"nsis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10-2ubuntu1","3.10-2ubuntu2"]}],"products":[{"vendor":"nullsoft","product":"nullsoft scriptable install system"},{"vendor":"siemens","product":"simatic technology package tpcamgen"},{"vendor":"siemens","product":"simotion oa miif"},{"vendor":"siemens","product":"simotion oacamgen"},{"vendor":"siemens","product":"simotion oaleco"},{"vendor":"siemens","product":"simotion oavibx"}],"references":[{"url":"https://sourceforge.net/p/nsis/bugs/1315/","tags":["web","report"]},{"url":"https://nsis.sourceforge.io/Docs/AppendixF.html#v3.11-rl","tags":["web","report"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-563922.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43715"},{"url":"https://sourceforge.net/p/nsis/bugs/1315"},{"url":"https://github.com/advisories/GHSA-g9m2-7jc6-pmvf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-43715","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-43715","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-43715","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-43715","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T00:00:00Z","modified":"2026-10-15T01:09:09.61Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:32:27.28543Z"}],"euvd":[{"id":"EUVD-2025-11523","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T00:00:00Z","modified":"2026-10-15T01:09:09Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:06.951216Z"}],"ghsa":[{"id":"GHSA-g9m2-7jc6-pmvf","title":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate...","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T03:30:30Z","modified":"2026-10-15T03:34:48Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:13:31.301503Z"}],"nvd":[{"id":"CVE-2025-43715","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T03:15:16.457Z","modified":"2026-10-15T02:18:07.12Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:11:00.810682Z"}],"osv":[{"id":"DEBIAN-CVE-2025-43715","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T03:15:16.457Z","modified":"2026-10-15T09:47:36.965370322Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"UBUNTU-CVE-2025-43715","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T03:15:00Z","modified":"2026-10-17T12:56:51.394557603Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"CVE-2025-43715","description":"Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.","status":"published","published":"2025-04-17T03:15:16Z","modified":"2026-04-10T05:26:40.428474Z","updated_at":"2026-11-02T15:44:49.394967Z"}]}}