{"id":"CVE-2021-21552","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-21552","generatedAt":"2026-10-27T22:33:16.910Z","title":"Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability.","description":"Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability. A local authenticated malicious user with low privileges may potentially exploit this vulnerability to bypass the restricted environment and perform unauthorized actions on the affected system.","published":"2021-05-21T20:15:08.000Z","lastModified":"2026-06-17T03:35:46.000Z","status":"Modified","sourceIdentifier":"security_alert@emc.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-863"],"affected":["microsoft/windows 10"],"epss":{"score":0.00995,"percentile":0.62431,"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 (1.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000186134/dsa-2021-096-dell-wyse-windows-embedded-system-security-update-for-an-improper-authorization-vulnerability","tags":["Patch","Vendor Advisory"],"source":"security_alert@emc.com"},{"url":"https://www.dell.com/support/kbdoc/en-us/000186134/dsa-2021-096-dell-wyse-windows-embedded-system-security-update-for-an-improper-authorization-vulnerability","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-21552","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."}