{"id":"CVE-2022-23227","published":"2022-01-14T18:15:10Z","modified":"2026-06-17T04:29:42Z","title":"NUUO NVRmini2 Devices Missing Authentication Vulnerability","vendor":"NUUO","product":"NVRmini2 Devices","tier":"core","eol":null,"description":{"text":"NUUO NVRmini2 through 3.11 allows an unauthenticated attacker to upload an encrypted TAR archive, which can be abused to add arbitrary users because of the lack of handle_import_user.php authentication. When combined with another flaw (CVE-2011-5325), it is possible to overwrite arbitrary files under the web root and achieve code execution as root.","provenance":"source","from":"NVD"},"summary":null,"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.48497,"percentile":0.98865,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2024-12-18","dueDate":"2025-01-08","ransomware":false,"requiredAction":"The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.","notes":"https://nuuo.com/wp-content/uploads/2023/03/NUUO-EOL-letter＿NVRmini-2-and-NVRsolo-series.pdf ; https://nvd.nist.gov/vuln/detail/CVE-2022-23227","provenance":"source"},"vulncheckKev":{"dateAdded":"2024-12-18","exploitedFirstSeen":"2024-12-18","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-12-18"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"references":[{"url":"https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/rapid7/metasploit-framework/pull/16044","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://news.ycombinator.com/item?id=29936569","tags":["Third Party Advisory"]},{"url":"https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/rapid7/metasploit-framework/pull/16044","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://news.ycombinator.com/item?id=29936569","tags":["Third Party Advisory"]},{"url":"https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23227","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: unauthenticated upload to exposed web application","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allows an unauthenticated attacker to upload an encrypted TAR archive","start":27,"end":96}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: chained flaw yields root code execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"achieve code execution as root","start":319,"end":349}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-28314","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-28314","exploited":true,"exploitedSince":"2024-12-18","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":["https://github.com/pedrib/PoC/blob/master/advisories/NUUO/nuuo_nvrmini_round2.mkd","https://github.com/rapid7/metasploit-framework/pull/16044","https://portswigger.net/daily-swig/researcher-discloses-alleged-zero-day-vulnerabilities-in-nuuo-nvrmini2-recording-device"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2022-01-14","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23227","provenance":"source"},{"date":"2024-12-18","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","provenance":"source"},{"date":"2024-12-18","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-12-18","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-28314","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":1069},"priority":{"score":69.6,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 680 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.77,"detail":"percentile 0.9887"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}