{"id":"CVE-2019-3581","aliases":["EUVD-2019-13216","GHSA-f233-9p3q-5vq9"],"status":"published","title":"McAfee Web Gateway denial of service attack due to Improper Input Validation","description":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02268,"percentile":0.83158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-01-09T14:00:00Z","modified":"2026-06-17T02:35:16Z","products":[{"vendor":"mcafee","product":"mcafee web gateway"},{"vendor":"mcafee","product":"mcafee_web_gateway"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10264","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3581"},{"url":"https://github.com/advisories/GHSA-f233-9p3q-5vq9"}],"sources":{"cve":[{"id":"CVE-2019-3581","title":"McAfee Web Gateway denial of service attack due to Improper Input Validation","description":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.","status":"published","published":"2019-01-09T14:00:00Z","modified":"2024-08-04T19:12:09.492Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-13216","description":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.","status":"published","published":"2019-01-09T14:00:00Z","modified":"2024-08-04T19:12:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:06:55.481882Z"}],"ghsa":[{"id":"GHSA-f233-9p3q-5vq9","title":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows...","description":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.","status":"published","published":"2022-05-13T01:31:18Z","modified":"2023-02-01T05:07:57Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:38.940908Z"}],"nvd":[{"id":"CVE-2019-3581","description":"Improper input validation in the proxy component of McAfee Web Gateway 7.8.2.0 and later allows remote attackers to cause a denial of service via a crafted HTTP request parameter.","status":"published","published":"2019-01-09T14:29:00.207Z","modified":"2026-06-17T02:35:16.217Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:02.989216Z"}]}}