{"id":"CVE-2023-37250","aliases":["EUVD-2023-41170","GHSA-v6gp-395w-jvcw"],"status":"published","title":"Unity Parsec before 8 has a TOCTOU race condition that permits local attackers to escalate...","description":"Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in \"Per User\" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. This affects Parsec Loader versions through 8. Parsec Loader 9 is a fixed version.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.003,"percentile":0.23054,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-367"],"published":"2023-08-20T00:00:00Z","modified":"2026-06-17T06:07:49Z","exploits":[{"source":"pocgithub","id":"ewilded/CVE-2023-37250-POC","title":"ewilded/CVE-2023-37250-POC","date":"2023-07-02","url":"https://github.com/ewilded/CVE-2023-37250-POC"}],"products":[{"vendor":"unity","product":"parsec"}],"references":[{"url":"https://unity3d.com","tags":["x_transferred","Product"]},{"url":"https://www.kb.cert.org/vuls/id/287122","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://support.parsec.app/hc/en-us/articles/18311425588237-CVE-2023-37250","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37250"},{"url":"https://github.com/advisories/GHSA-v6gp-395w-jvcw"}],"sources":{"cve":[{"id":"CVE-2023-37250","description":"Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in \"Per User\" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. This affects Parsec Loader versions through 8. Parsec Loader 9 is a fixed version.","status":"published","published":"2023-08-20T00:00:00Z","modified":"2024-10-08T14:24:57.559Z","updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-41170","description":"Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in \"Per User\" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. This affects Parsec Loader versions through 8. Parsec Loader 9 is a fixed version.","status":"published","published":"2023-08-20T00:00:00Z","modified":"2024-10-08T14:24:57Z","updated_at":"2026-11-03T00:27:45.808193Z"}],"ghsa":[{"id":"GHSA-v6gp-395w-jvcw","title":"Unity Parsec before 8 has a TOCTOU race condition that permits local attackers to escalate...","description":"Unity Parsec before 8 has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in \"Per User\" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs.","status":"published","published":"2023-08-20T09:30:16Z","modified":"2024-04-04T07:03:52Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:56:48.229282Z"}],"nvd":[{"id":"CVE-2023-37250","description":"Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in \"Per User\" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. This affects Parsec Loader versions through 8. Parsec Loader 9 is a fixed version.","status":"published","published":"2023-08-20T08:15:09.013Z","modified":"2026-06-17T06:07:49.137Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}