{"id":"CVE-2021-23892","aliases":["EUVD-2021-10818","GHSA-2pf3-gjp3-cx53"],"status":"published","title":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security...","description":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00195,"percentile":0.09271,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362","CWE-367","CWE-59"],"published":"2021-05-12T09:05:13Z","modified":"2026-06-17T03:38:59Z","products":[{"vendor":"mcafee","product":"endpoint_security_for_linux_threat_prevention"},{"vendor":"mcafee,llc","product":"mcafee endpoint security (ens) for linux"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10355","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23892"},{"url":"https://github.com/advisories/GHSA-2pf3-gjp3-cx53"}],"sources":{"cve":[{"id":"CVE-2021-23892","description":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","status":"published","published":"2021-05-12T09:05:13Z","modified":"2024-08-03T19:14:09.649Z","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","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10818","description":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","status":"published","published":"2021-05-12T09:05:13Z","modified":"2024-08-03T19:14:09Z","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":"2026-11-03T03:25:00.126172Z"}],"ghsa":[{"id":"GHSA-2pf3-gjp3-cx53","title":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security...","description":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","status":"published","published":"2022-05-24T19:02:16Z","modified":"2023-01-29T05:01:04Z","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-59","CWE-362","CWE-367"],"updated_at":"2026-11-02T14:44:44.036588Z"}],"nvd":[{"id":"CVE-2021-23892","description":"By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","status":"published","published":"2021-05-12T09:15:07.47Z","modified":"2026-06-17T03:38:59.713Z","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","assessor":"secondary"},{"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"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-59","CWE-367"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}