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No exploitation reportedFix available

CVE-2023-30466

No exploitation reported by the sources we read.

  • Published2023-04-28
  • Fixed in73.9.0.18-r2
  • WeaknessCWE-640

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-04-2811:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-30466?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-30466?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Milesight ms-n1004-uc firmwareversion to verify
BranchAffectedFixed in
73.9< 73.9.0.18-r273.9.0.18-r2
Milesight ms-n1004-upc firmwareversion to verify
BranchAffectedFixed in
73.9< 73.9.0.18-r273.9.0.18-r2
Milesight ms-n1008-uc firmwareversion to verify
BranchAffectedFixed in
73.9< 73.9.0.18-r273.9.0.18-r2

18 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Milesight ms-n1004-uc firmware to 73.9.0.18-r2

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-01-30
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.19.8read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-640read 2026-10-23
  • NVDweakness (CWE)CWE-640read 2026-10-23
  • FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-04-28
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-30466?

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.

Is CVE-2023-30466 actively exploited?

Active exploitation of CVE-2023-30466 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-30466?

CVE-2023-30466 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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