What is CVE-2023-36669?

CVE-2023-36669 is a critical-severity vulnerability in Kratosdefense Ngc Indoor Unit, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-07-18.

How severe is CVE-2023-36669?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Kratosdefense Ngc Indoor Unit

CVE-2023-36669

Missing Authentication for a Critical Function within the Kratos NGC Indoor Unit (IDU) before 11.4 allows remote attackers to obtain arbitrary control of the IDU/ODU system. Any attacker with layer-3 network access to the IDU can impersonate the Touch Panel Unit (TPU) within the IDU by sending crafted TCP requests to the IDU.

Vulnerability class: Broken Authentication

Published 2023-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

kratosdefense.com (Product)
www.kratosdefense.com/vulnerability-advisories/cve-2023-36669 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-36669?: CVE-2023-36669 is a critical-severity vulnerability in Kratosdefense Ngc Indoor Unit, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-07-18.
How severe is CVE-2023-36669?: Critical severity. CVSS v3 base score is 9.8 out of 10.