{"id":"CVE-2020-26099","aliases":["EUVD-2020-18729","GHSA-443c-w3hv-6grh"],"status":"published","title":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","description":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01207,"percentile":0.68548,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-09-25T05:43:26Z","modified":"2026-06-17T03:07:35Z","products":[{"vendor":"cpanel","product":"cpanel"}],"references":[{"url":"https://docs.cpanel.net/changelogs/88-change-log/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26099"},{"url":"https://github.com/advisories/GHSA-443c-w3hv-6grh"}],"sources":{"cve":[{"id":"CVE-2020-26099","description":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","status":"published","published":"2020-09-25T05:43:26Z","modified":"2024-08-04T15:49:06.971Z","updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-18729","description":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","status":"published","published":"2020-09-25T05:43:26Z","modified":"2024-08-04T15:49:06Z","updated_at":"2026-11-03T03:07:16.308974Z"}],"ghsa":[{"id":"GHSA-443c-w3hv-6grh","title":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","description":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","status":"published","published":"2022-05-24T17:29:39Z","modified":"2023-01-29T05:04:42Z","updated_at":"2026-11-02T14:45:36.996717Z"}],"nvd":[{"id":"CVE-2020-26099","description":"cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).","status":"published","published":"2020-09-25T06:15:13.677Z","modified":"2026-06-17T03:07:35.56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}