{"id":"CVE-2021-37852","aliases":["EUVD-2021-24331","GHSA-gj8g-jfxx-vxc7"],"status":"published","title":"LPE in ESET products for Windows","description":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00599,"percentile":0.49008,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-863"],"published":"2022-02-09T05:14:13Z","modified":"2026-06-17T04:01:12Z","products":[{"vendor":"eset","product":"endpoint_antivirus"},{"vendor":"eset","product":"endpoint_security"},{"vendor":"eset","product":"eset endpoint antivirus for windows"},{"vendor":"eset","product":"eset endpoint security for windows"},{"vendor":"eset","product":"eset file security for microsoft windows server"},{"vendor":"eset","product":"eset internet security"},{"vendor":"eset","product":"eset mail security for ibm domino"},{"vendor":"eset","product":"eset mail security for microsoft exchange server"},{"vendor":"eset","product":"eset nod32 antivirus"},{"vendor":"eset","product":"eset security for microsoft sharepoint server"},{"vendor":"eset","product":"eset server security for microsoft azure"},{"vendor":"eset","product":"eset server security for microsoft windows server"},{"vendor":"eset","product":"eset smart security"},{"vendor":"eset","product":"file_security"},{"vendor":"eset","product":"internet_security"},{"vendor":"eset","product":"mail_security"},{"vendor":"eset","product":"nod32_antivirus"},{"vendor":"eset","product":"security"},{"vendor":"eset","product":"server_security"},{"vendor":"eset","product":"smart_security"},{"vendor":"eset, spol. s r.o.","product":"eset endpoint antivirus for windows"},{"vendor":"eset, spol. s r.o.","product":"eset endpoint security for windows"},{"vendor":"eset, spol. s r.o.","product":"eset file security for microsoft windows server"},{"vendor":"eset, spol. s r.o.","product":"eset internet security"},{"vendor":"eset, spol. s r.o.","product":"eset mail security for ibm domino"},{"vendor":"eset, spol. s r.o.","product":"eset mail security for microsoft exchange server"},{"vendor":"eset, spol. s r.o.","product":"eset nod32 antivirus"},{"vendor":"eset, spol. s r.o.","product":"eset security for microsoft sharepoint server"},{"vendor":"eset, spol. s r.o.","product":"eset server security for microsoft windows server"}],"references":[{"url":"https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-148/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37852"},{"url":"https://github.com/advisories/GHSA-gj8g-jfxx-vxc7"}],"sources":{"cve":[{"id":"CVE-2021-37852","title":"LPE in ESET products for Windows","description":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM.","status":"published","published":"2022-02-09T05:14:13.627Z","modified":"2024-09-16T23:02:00.516Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-24331","description":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM.","status":"published","published":"2022-02-09T05:14:13Z","modified":"2024-09-16T23:02:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:54:57.254208Z"}],"ghsa":[{"id":"GHSA-gj8g-jfxx-vxc7","title":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can...","description":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM.","status":"published","published":"2022-02-10T00:00:31Z","modified":"2023-02-03T05:05:57Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:53:49.274652Z"}],"nvd":[{"id":"CVE-2021-37852","description":"ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\\SYSTEM.","status":"published","published":"2022-02-09T06:15:06.99Z","modified":"2026-06-17T04:01:12.383Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:07:04.178977Z"}]}}