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CVE-2023-30467

31
FAUCET Score

CVE-2023-30467 is a critical improper authorization vulnerability affecting Milesight 4K/H.265 Series NVR models, specifically within their web-based management interface. This flaw allows a remote, unauthenticated attacker to execute unauthorized activities on the device by sending specially crafted HTTP requests. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, nor does it show significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 73.9.0.18-r2CPE matchmatch criteria
cpe:2.3:o:milesight:ms-n5008-uc_firmware:*:*:*:*:*:*:*:*
< 73.9.0.18-r2CPE matchmatch criteria
cpe:2.3:o:milesight:ms-n1008-unc_firmware:*:*:*:*:*:*:*:*
< 73.9.0.18-r2CPE matchmatch criteria
cpe:2.3:o:milesight:ms-n1008-uc_firmware:*:*:*:*:*:*:*:*
< 73.9.0.18-r2CPE matchmatch criteria
cpe:2.3:o:milesight:ms-n1004-uc_firmware:*:*:*:*:*:*:*:*
< 75.9.0.18-r2CPE matchmatch criteria
cpe:2.3:o:milesight:ms-n5016-e_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 47th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-in.org.in / s2cMainServlet
Third Party Advisory