{"id":"CVE-2018-2421","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-2421","generatedAt":"2026-10-28T23:56:01.957Z","title":"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.","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.","published":"2018-05-09T20:29:01.000Z","lastModified":"2026-06-17T01:55:40.000Z","status":"Modified","sourceIdentifier":"cna@sap.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["sap/internet graphics server"],"epss":{"score":0.02386,"percentile":0.83847,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/104111","tags":["Third Party Advisory","VDB Entry"],"source":"cna@sap.com"},{"url":"https://blogs.sap.com/2018/05/08/sap-security-patch-day-may-2018/","tags":["Vendor Advisory"],"source":"cna@sap.com"},{"url":"https://launchpad.support.sap.com/#/notes/2616599","tags":["Permissions Required","Vendor Advisory"],"source":"cna@sap.com"},{"url":"http://www.securityfocus.com/bid/104111","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.sap.com/2018/05/08/sap-security-patch-day-may-2018/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://launchpad.support.sap.com/#/notes/2616599","tags":["Permissions Required","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-2421","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}