{"id":"CVE-2025-20387","aliases":["EUVD-2025-200997","GHSA-99hp-3vr6-f5r2"],"status":"published","title":"Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade","description":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00495,"percentile":0.42979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2025-12-03T17:00:51Z","modified":"2026-06-17T08:41:39Z","products":[{"vendor":"splunk","product":"splunk"},{"vendor":"splunk","product":"splunk enterprise"}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2025-1206","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20387"},{"url":"https://github.com/advisories/GHSA-99hp-3vr6-f5r2"}],"sources":{"cve":[{"id":"CVE-2025-20387","title":"Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade","description":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.","status":"published","published":"2025-12-03T17:00:51.451Z","modified":"2026-02-26T16:57:35.211Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:32:25.982948Z"}],"euvd":[{"id":"EUVD-2025-200997","description":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.","status":"published","published":"2025-12-03T17:00:51Z","modified":"2026-02-26T16:57:35Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:24.701817Z"}],"ghsa":[{"id":"GHSA-99hp-3vr6-f5r2","title":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new...","description":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.","status":"published","published":"2025-12-03T18:30:25Z","modified":"2025-12-03T18:30:26Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T15:05:01.323335Z"}],"nvd":[{"id":"CVE-2025-20387","description":"In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.","status":"published","published":"2025-12-03T17:15:51.257Z","modified":"2026-06-17T08:41:39.653Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:11:47.746175Z"}]}}