How severe is CVE-2023-4463?

CVE-2023-4463 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2023-4463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4463?

CVE-2023-4463 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-2023-4463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4463 published?

CVE-2023-4463 was published on 2023-12-29 and last updated on 2026-06-17.

CVE-2023-4463

CVE-2023-4463 is a medium-severity vulnerability in Poly Ccx 400 Firmware with a CVSS 3.x base score of 5.3. 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Poly Ccx 400 Firmware
Published: 2023-12-29
Last modified: 2026-06-17

Description

A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This vulnerability affects unknown code of the component HTTP Header Handler. The manipulation of the argument Cookie leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249256.

Frequently asked questions

What is CVE-2023-4463?: A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This vulnerability affects unknown code of the component HTTP Header Handler. The manipulation of the argument Cookie leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249256.
How severe is CVE-2023-4463?: CVE-2023-4463 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2023-4463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4463?: CVE-2023-4463 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-2023-4463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4463 published?: CVE-2023-4463 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-2023-4464 — High (CVSS 7.2): A vulnerability, which was classified as critical, has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60,…
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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