How severe is CVE-2023-38405?

CVE-2023-38405 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-2023-38405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38405?

CVE-2023-38405 primarily affects Crestron Cp3n 6505417 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-38405?

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-2023-38405 published?

CVE-2023-38405 was published on 2023-07-17 and last updated on 2026-06-17.

CVE-2023-38405

CVE-2023-38405 is a high-severity vulnerability in Crestron Cp3n 6505417 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Crestron Cp3n 6505417 Firmware
Published: 2023-07-17
Last modified: 2026-06-17

Description

On Crestron 3-Series Control Systems before 1.8001.0187, crafting and sending a specific BACnet packet can cause a crash.

Frequently asked questions

What is CVE-2023-38405?: On Crestron 3-Series Control Systems before 1.8001.0187, crafting and sending a specific BACnet packet can cause a crash.
How severe is CVE-2023-38405?: CVE-2023-38405 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-2023-38405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38405?: CVE-2023-38405 primarily affects Crestron Cp3n 6505417 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-38405?: 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-2023-38405 published?: CVE-2023-38405 was published on 2023-07-17 and last updated on 2026-06-17.

References

https://www.crestron.com/release_notes/cp3n_1.8001.0187_release_notes.pdf

Affected products (3)

cpe:2.3:o:crestron:cp3n_6505417_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:crestron:cp3_6504877_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:crestron:cp3-gv_6506034_firmware:*:*:*:*:*:*:*:*

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