How severe is CVE-2023-4464?

CVE-2023-4464 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4464 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4464?

CVE-2023-4464 primarily affects Poly Ccx 400 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-4464?

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-2023-4464 published?

CVE-2023-4464 was published on 2023-12-29 and last updated on 2026-06-17.

CVE-2023-4464

CVE-2023-4464 is a high-severity vulnerability in Poly Ccx 400 Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Poly Ccx 400 Firmware
Published: 2023-12-29
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX 350, CCX 400, CCX 500, CCX 505, CCX 600, CCX 700, EDGE E100, EDGE E220, EDGE E300, EDGE E320, EDGE E350, EDGE E400, EDGE E450, EDGE E500, EDGE E550, VVX 101, VVX 150, VVX 201, VVX 250, VVX 300, VVX 301, VVX 310, VVX 311, VVX 350, VVX 400, VVX 401, VVX 410, VVX 411, VVX 450, VVX 500, VVX 501, VVX 600 and VVX 601. This issue affects some unknown processing of the component Diagnostic Telnet Mode. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The identifier VDB-249257 was assigned to this vulnerability.

Frequently asked questions

What is CVE-2023-4464?: A vulnerability, which was classified as critical, has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX 350, CCX 400, CCX 500, CCX 505, CCX 600, CCX 700, EDGE E100, EDGE E220, EDGE E300, EDGE E320, EDGE E350, EDGE E400, EDGE E450, EDGE E500, EDGE E550, VVX 101, VVX 150, VVX 201, VVX 250, VVX 300, VVX 301, VVX 310, VVX 311, VVX 350, VVX 400, VVX 401, VVX 410, VVX 411, VVX 450, VVX 500, VVX 501, VVX 600 and VVX 601. This issue affects some unknown processing of the component Diagnostic Telnet Mode. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The identifier VDB-249257 was assigned to this vulnerability.
How severe is CVE-2023-4464?: CVE-2023-4464 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4464 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4464?: CVE-2023-4464 primarily affects Poly Ccx 400 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-4464?: 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-2023-4464 published?: CVE-2023-4464 was published on 2023-12-29 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:poly:ccx_400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:poly:ccx_600_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:poly:trio_8800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:poly:trio_c60_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Poly Ccx 400 Firmware

CVE-2023-4463 — Medium (CVSS 5.3): A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This…
CVE-2023-4462 — Low (CVSS 3.7): A vulnerability classified as problematic has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX 350,…
CVE-2023-4466 — Low (CVSS 2.7): A vulnerability has been found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60 and classified as problematic. Affected…
CVE-2023-4465 — Low (CVSS 2.7): A vulnerability, which was classified as problematic, was found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX…

All CVEs affecting Poly Ccx 400 Firmware →

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