How severe is CVE-2023-30467?

CVE-2023-30467 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-30467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30467?

CVE-2023-30467 primarily affects Milesight Ms-n5008-uc Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-30467?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-30467 published?

CVE-2023-30467 was published on 2023-04-28 and last updated on 2026-06-17.

CVE-2023-30467

CVE-2023-30467 is a high-severity vulnerability in Milesight Ms-n5008-uc Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Milesight Ms-n5008-uc Firmware
Published: 2023-04-28
Last modified: 2026-06-17

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 improper authorization 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 perform unauthorized activities on the targeted device.

Frequently asked questions

What is CVE-2023-30467?: 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 improper authorization 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 perform unauthorized activities on the targeted device.
How severe is CVE-2023-30467?: CVE-2023-30467 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-30467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30467?: CVE-2023-30467 primarily affects Milesight Ms-n5008-uc Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-30467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-30467 published?: CVE-2023-30467 was published on 2023-04-28 and last updated on 2026-06-17.

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2023-0121

Affected products (21)

cpe:2.3:o:milesight:ms-n5008-uc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1008-unc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1008-uc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1004-uc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n5016-e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n5008-e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n7016-uh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n7032-uh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n8064-uh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n8032-uh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1004-upc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1008-upc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n1008-unpc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n5008-upc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n5016-pe_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n5008-pe_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n7016-uph_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n7032-uph_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-n7048-uph_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-nxxxx-xxg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:milesight:ms-nxxxx-xxt_firmware:*:*:*:*:*:*:*:*

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