{"id":"CVE-2020-7261","aliases":["EUVD-2020-28388","GHSA-x222-6c25-wc8w"],"status":"published","title":"Buffer overwrite in ENS allowed to bypass AMSI protection","description":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00259,"percentile":0.17644,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2020-04-15T11:50:13Z","modified":"2026-06-17T03:24:36Z","products":[{"vendor":"mcafee","product":"endpoint_security"},{"vendor":"mcafee llc","product":"mcafee endpoint security (ens)"},{"vendor":"mcafee, llc","product":"mcafee endpoint security (ens)"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10309","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7261"},{"url":"https://github.com/advisories/GHSA-x222-6c25-wc8w"}],"sources":{"cve":[{"id":"CVE-2020-7261","title":"Buffer overwrite in ENS allowed to bypass AMSI protection","description":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.","status":"published","published":"2020-04-15T11:50:13.347Z","modified":"2024-09-16T20:16:33.734Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-28388","description":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.","status":"published","published":"2020-04-15T11:50:13Z","modified":"2024-09-16T20:16:33Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:15.468069Z"}],"ghsa":[{"id":"GHSA-x222-6c25-wc8w","title":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint...","description":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.","status":"published","published":"2022-05-24T17:15:18Z","modified":"2023-01-29T05:02:18Z","updated_at":"2026-11-02T14:45:02.98103Z"}],"nvd":[{"id":"CVE-2020-7261","description":"Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.","status":"published","published":"2020-04-15T12:15:12.09Z","modified":"2026-06-17T03:24:36.753Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}