{"id":"CVE-2021-27610","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-27610","generatedAt":"2026-10-27T22:32:24.824Z","title":"SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 804, does not create information about internal and external RFC user in consistent and distinguished format, which could lead to improper…","description":"SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 804, does not create information about internal and external RFC user in consistent and distinguished format, which could lead to improper authentication and may be exploited by malicious users to obtain illegitimate access to the system.","published":"2021-06-16T15:15:08.000Z","lastModified":"2026-06-17T03:45:14.000Z","status":"Modified","sourceIdentifier":"cna@sap.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["sap/netweaver abap","sap/netweaver application server abap"],"epss":{"score":0.0132,"percentile":0.70649,"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 (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://launchpad.support.sap.com/#/notes/3007182","tags":["Permissions Required","Vendor Advisory"],"source":"cna@sap.com"},{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999","tags":["Vendor Advisory"],"source":"cna@sap.com"},{"url":"https://launchpad.support.sap.com/#/notes/3007182","tags":["Permissions Required","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27610","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."}