{"id":"CVE-2021-31842","aliases":["EUVD-2021-18717","GHSA-93hf-xxfj-6gx3"],"status":"published","title":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior...","description":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00227,"percentile":0.13561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611","CWE-776"],"published":"2021-09-17T13:35:12Z","modified":"2026-06-17T03:52:19Z","products":[{"vendor":"mcafee","product":"endpoint_security"},{"vendor":"mcafee,llc","product":"mcafee endpoint security (ens) for windows"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10367","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31842"},{"url":"https://github.com/advisories/GHSA-93hf-xxfj-6gx3"}],"sources":{"cve":[{"id":"CVE-2021-31842","description":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.","status":"published","published":"2021-09-17T13:35:12Z","modified":"2024-08-03T23:10:30.765Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18717","description":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.","status":"published","published":"2021-09-17T13:35:12Z","modified":"2024-08-03T23:10:30Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:24:37.97373Z"}],"ghsa":[{"id":"GHSA-93hf-xxfj-6gx3","title":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior...","description":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.","status":"published","published":"2022-05-24T19:14:57Z","modified":"2023-01-30T05:02:16Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-611","CWE-776"],"updated_at":"2026-11-02T14:46:35.666418Z"}],"nvd":[{"id":"CVE-2021-31842","description":"XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.","status":"published","published":"2021-09-17T14:15:08.097Z","modified":"2026-06-17T03:52:19.963Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","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:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}