{"id":"CVE-2023-30466","state":"PUBLISHED","title":"Authentication Bypass Vulnerability in Milesight Network Video Recorder (NVR)","description":"This vulnerability exists in Milesight 4K/H.265 Series NVR models (MS-Nxxxx-xxG, MS-Nxxxx-xxE, MS-Nxxxx-xxT, MS-Nxxxx-xxH and MS-Nxxxx-xxC), due to a weak password reset mechanism at the Milesight NVR web-based management interface. A remote attacker could exploit this vulnerability by sending a specially crafted http requests on the targeted device.\n\nSuccessful exploitation of this vulnerability could allow remote attacker to account takeover on the targeted device.\n\n\n\n\n\n\n\n\n\n\n","publishedAt":"2023-04-28T10:06:26.684Z","updatedAt":"2025-01-30T17:16:05.788Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CERT-In"},"assigner":"CERT-In","products":["Milesight NVR MS-Nxxxx-xxG","Milesight NVR MS-Nxxxx-xxE","Milesight NVR MS-Nxxxx-xxT","Milesight NVR MS-Nxxxx-xxH ","Milesight NVR MS-Nxxxx-xxC"],"affected":[{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxG","defaultStatus":"unaffected","versions":[{"version":"77.X","status":"affected","lessThan":"77.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxE","defaultStatus":"unaffected","versions":[{"version":"75.X","status":"affected","lessThan":"75.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxT","defaultStatus":"unaffected","versions":[{"version":"72.X","status":"affected","lessThan":"72.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxH ","defaultStatus":"unaffected","versions":[{"version":"71.X","status":"affected","lessThan":"71.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxC","defaultStatus":"unaffected","versions":[{"version":"73.X","status":"affected","lessThan":"73.9.0.18-r2","versionType":"custom"}]}],"references":["https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2023-0121"],"weaknesses":["CWE-640"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/30xxx/CVE-2023-30466.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-30466","state":"PUBLISHED","datePublished":"2023-04-28T10:06:26.684Z","dateUpdated":"2025-01-30T17:16:05.788Z","assignerShortName":"CERT-In","assignerOrgId":"66834db9-ab24-42b4-be80-296b2e40335c","dateReserved":"2023-04-10T10:20:17.200Z"},"containers":{"cna":{"title":"Authentication Bypass Vulnerability in Milesight Network Video Recorder (NVR)","descriptions":[{"lang":"en","value":"This vulnerability exists in Milesight 4K/H.265 Series NVR models (MS-Nxxxx-xxG, MS-Nxxxx-xxE, MS-Nxxxx-xxT, MS-Nxxxx-xxH and MS-Nxxxx-xxC), due to a weak password reset mechanism at the Milesight NVR web-based management interface. A remote attacker could exploit this vulnerability by sending a specially crafted http requests on the targeted device.\n\nSuccessful exploitation of this vulnerability could allow remote attacker to account takeover on the targeted device.\n\n\n\n\n\n\n\n\n\n\n"}],"affected":[{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxG","defaultStatus":"unaffected","versions":[{"version":"77.X","status":"affected","lessThan":"77.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxE","defaultStatus":"unaffected","versions":[{"version":"75.X","status":"affected","lessThan":"75.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxT","defaultStatus":"unaffected","versions":[{"version":"72.X","status":"affected","lessThan":"72.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxH ","defaultStatus":"unaffected","versions":[{"version":"71.X","status":"affected","lessThan":"71.9.0.18-r2","versionType":"custom"}]},{"vendor":"Milesight","product":"NVR MS-Nxxxx-xxC","defaultStatus":"unaffected","versions":[{"version":"73.X","status":"affected","lessThan":"73.9.0.18-r2","versionType":"custom"}]}],"references":[{"url":"https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2023-0121"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-640","description":"CWE-640 Weak Password Recovery Mechanism for Forgotten Password","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-In","orgId":"66834db9-ab24-42b4-be80-296b2e40335c","dateUpdated":"2023-04-28T10:06:26.684Z"},"credits":[{"lang":"en","type":"reporter","value":"This vulnerability is reported by Souvik Kandar and Arko Dhar from Redinent Innovations Engineering & Research Team, Karnataka, India."}],"impacts":[{"capecId":"CAPEC-50","descriptions":[{"lang":"en","value":"CAPEC-50 Password Recovery Exploitation"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"