CVE-2023-30466
Authentication Bypass Vulnerability in Milesight Network Video Recorder (NVR)
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Authentication Bypass Vulnerability in Milesight Network Video Recorder (NVR)
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.
- Record
CVE-2023-30466- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-640
- Updated
- 2026-11-02
EUVDEUVD-2023-34881
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.
- Record
EUVD-2023-34881- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jpv9-5pvw-6mc2
This vulnerability exists in Milesight 4K/H.265 Series NVR models (MS-Nxxxx-xxG, MS-Nxxxx-xxE, MS...
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.
- Record
GHSA-jpv9-5pvw-6mc2- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-640
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-30466- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-640
- Updated
- 2026-11-02
Affected products
- milesight ms-n1004-uc firmware
- milesight ms-n1004-upc firmware
- milesight ms-n1008-uc firmware
- milesight ms-n1008-unc firmware
- milesight ms-n1008-unpc firmware
- milesight ms-n1008-upc firmware
- milesight ms-n5008-e firmware
- milesight ms-n5008-pe firmware
- milesight ms-n5008-uc firmware
- milesight ms-n5008-upc firmware
- milesight ms-n5016-e firmware
- milesight ms-n5016-pe firmware
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- milesight ms-n7016-uh firmware
- milesight ms-n7016-uph firmware
- milesight ms-n7032-uh firmware
- milesight ms-n7032-uph firmware
- milesight ms-n7048-uph firmware
- milesight ms-n8032-uh firmware
- milesight ms-n8064-uh firmware
- milesight ms-nxxxx-xxg firmware
- milesight ms-nxxxx-xxt firmware
- milesight nvr ms-nxxxx-xxc
- milesight nvr ms-nxxxx-xxe
- milesight nvr ms-nxxxx-xxg
- milesight nvr ms-nxxxx-xxh
- milesight nvr ms-nxxxx-xxt
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-30466 is a critical vulnerability (CVSS 9.8) in Milesight Ms-n1004-uc Firmware, published April 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. No source names a fixed version.