{"id":"CVE-2021-33216","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33216","generatedAt":"2026-11-05T01:11:09.443Z","title":"An Undocumented Backdoor exists, allowing shell access via a developer account.","description":"An issue was discovered in CommScope Ruckus IoT Controller 1.7.1.0 and earlier. An Undocumented Backdoor exists, allowing shell access via a developer account.","published":"2021-07-07T15:15:09.000Z","lastModified":"2026-06-17T03:54:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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":[],"affected":["commscope/ruckus iot controller"],"epss":{"score":0.13773,"percentile":0.96518,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2025-04-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":52242,"kind":"exploit","title":"Ruckus IoT Controller 1.7.1.0 - Undocumented Backdoor Account","url":"https://www.exploit-db.com/exploits/52242","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/local/52242.txt","file":"exploits/hardware/local/52242.txt","published":"2025-04-16","added":"2025-04-16","updated":"2025-04-16","author":"ub3rsick","type":"local","platform":"hardware","port":null,"verified":false,"codes":["CVE-2021-33216"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://seclists.org/fulldisclosure/2021/May/78","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://korelogic.com/advisories.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2021/May/78","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://korelogic.com/advisories.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33216","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."}