{"id":"DEBIAN-CVE-2025-43715","details":"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.","modified":"2026-09-01T20:05:52.497694146Z","published":"2025-04-17T03:15:16.457Z","upstream":["CVE-2025-43715"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-43715"}],"affected":[{"package":{"name":"nsis","ecosystem":"Debian:12","purl":"pkg:deb/debian/nsis?arch=source&distro=bookworm"},"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"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-43715.json"}},{"package":{"name":"nsis","ecosystem":"Debian:13","purl":"pkg:deb/debian/nsis?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-43715.json"}},{"package":{"name":"nsis","ecosystem":"Debian:14","purl":"pkg:deb/debian/nsis?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-43715.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}]}