{"id":"CVE-2018-2421","aliases":["EUVD-2018-14276","GHSA-2w59-p48c-fmf7"],"status":"published","title":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an...","description":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02386,"percentile":0.84042,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-05-09T20:00:00Z","modified":"2026-06-17T01:55:40Z","products":[{"vendor":"sap","product":"internet_graphics_server"},{"vendor":"sap se","product":"sap internet graphics server (igs)"}],"references":[{"url":"https://blogs.sap.com/2018/05/08/sap-security-patch-day-may-2018/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/2616599","tags":["x_refsource_MISC","x_transferred","Permissions Required","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/104111","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-2421"},{"url":"https://github.com/advisories/GHSA-2w59-p48c-fmf7"}],"sources":{"cve":[{"id":"CVE-2018-2421","description":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.","status":"published","published":"2018-05-09T20:00:00Z","modified":"2024-08-05T04:21:33.262Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:04.911021Z"}],"euvd":[{"id":"EUVD-2018-14276","description":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.","status":"published","published":"2018-05-09T20:00:00Z","modified":"2024-08-05T04:21:33Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T02:40:16.309405Z"}],"ghsa":[{"id":"GHSA-2w59-p48c-fmf7","title":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an...","description":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.","status":"published","published":"2022-05-13T01:32:21Z","modified":"2023-02-01T05:08:28Z","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":"2026-11-02T14:50:46.174982Z"}],"nvd":[{"id":"CVE-2018-2421","description":"SAP Internet Graphics Server (IGS) Portwatcher, 7.20, 7.20EXT, 7.45, 7.49, 7.53, allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.","status":"published","published":"2018-05-09T20:29:00.98Z","modified":"2026-06-17T01:55:40.393Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","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"}],"updated_at":"2026-11-02T14:04:26.098615Z"}]}}