Vulnerability · Published Apr 28, 2023 · Assigned by CERT-In

CVE-2023-30466Authentication Bypass Vulnerability in Milesight Network Video Recorder (NVR)

Critical 9.8

In plain English

A critical-severity security flaw in NVR MS-Nxxxx-xxC from Milesight. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 33.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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. Successful exploitation of this vulnerability could allow remote attacker to account takeover on the targeted device.

Affected products (as reported)

VendorProductVersions
Milesight NVR MS-Nxxxx-xxG 77.X – before 77.9.0.18-r2
Milesight NVR MS-Nxxxx-xxE 75.X – before 75.9.0.18-r2
Milesight NVR MS-Nxxxx-xxT 72.X – before 72.9.0.18-r2
Milesight NVR MS-Nxxxx-xxH 71.X – before 71.9.0.18-r2
Milesight NVR MS-Nxxxx-xxC 73.X – before 73.9.0.18-r2

Weakness: CWE-640 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References