{"id":"CVE-2020-11081","aliases":["EUVD-2020-3445","GHSA-2xwp-8fv7-c5pm"],"status":"published","title":"osquery susceptible to DLL search order hijacking of zlib1.dll","description":"osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00587,"percentile":0.48428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-114","CWE-426"],"published":"2020-07-10T18:45:16Z","modified":"2026-10-20T10:51:45Z","products":[{"vendor":"linuxfoundation","product":"osquery"},{"vendor":"osquery","product":"osquery"}],"references":[{"url":"https://github.com/osquery/osquery/security/advisories/GHSA-2xwp-8fv7-c5pm","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/osquery/osquery/issues/6426","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/osquery/osquery/pull/6433","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/osquery/osquery/commit/4d4957f12a6aa0becc9d01d9f97061e1e3d809c5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/osquery/osquery/releases/tag/4.4.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]}],"sources":{"cve":[{"id":"CVE-2020-11081","title":"osquery susceptible to DLL search order hijacking of zlib1.dll","description":"osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.","status":"published","published":"2020-07-10T18:45:16Z","modified":"2024-08-04T11:21:14.829Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-114"],"updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2020-3445","description":"osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.","status":"published","published":"2020-07-10T18:45:16Z","modified":"2024-08-04T11:21:14Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:48.03567Z"}],"nvd":[{"id":"CVE-2020-11081","description":"osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.","status":"published","published":"2020-07-10T19:15:11.553Z","modified":"2026-06-17T02:49:00.69Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-114","CWE-426"],"updated_at":"2026-11-02T14:06:09.126752Z"}],"osv":[{"id":"CVE-2020-11081","description":"osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.","status":"published","published":"2020-07-10T19:15:11.553Z","modified":"2026-10-20T10:51:45.447980285Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:13.492058Z"}]}}