{"id":"CVE-2021-33670","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33670","generatedAt":"2026-10-27T22:32:01.263Z","title":"SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker to send multiple HTTP requests with different method types thereby crashing the filter and making the HTTP server…","description":"SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker to send multiple HTTP requests with different method types thereby crashing the filter and making the HTTP server unavailable to other legitimate users leading to denial of service vulnerability.","published":"2021-07-14T12:15:08.000Z","lastModified":"2026-06-17T03:55:00.000Z","status":"Modified","sourceIdentifier":"cna@sap.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["sap/netweaver application server java"],"epss":{"score":0.03158,"percentile":0.87888,"date":"2026-10-26","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 (3.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"cna@sap.com"},{"url":"http://seclists.org/fulldisclosure/2022/May/4","tags":["Mailing List","Patch","Third Party Advisory"],"source":"cna@sap.com"},{"url":"https://launchpad.support.sap.com/#/notes/3056652","tags":["Permissions Required"],"source":"cna@sap.com"},{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506","tags":["Vendor Advisory"],"source":"cna@sap.com"},{"url":"http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2022/May/4","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://launchpad.support.sap.com/#/notes/3056652","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33670","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."}