How severe is CVE-2023-36669?

CVE-2023-36669 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36669?

CVE-2023-36669 affects Kratosdefense Ngc Indoor Unit Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36669?

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

When was CVE-2023-36669 published?

CVE-2023-36669 was published on 2023-07-18 and last updated on 2026-06-17.

CVE-2023-36669

CVE-2023-36669 is a critical-severity vulnerability in Kratosdefense Ngc Indoor Unit Firmware with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Kratosdefense Ngc Indoor Unit Firmware
Published: 2023-07-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-36669?: CVE-2023-36669 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36669?: CVE-2023-36669 affects Kratosdefense Ngc Indoor Unit Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-36669 published?: CVE-2023-36669 was published on 2023-07-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:kratosdefense:ngc_indoor_unit_firmware:*:*:*:*:*:*:*:*

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