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HIGH

CVE-2023-4463

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2023-12-29

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.

Is CVE-2023-4463 actively exploited?

Active exploitation of CVE-2023-4463 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-4463?

CVE-2023-4463 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2023-4463 affecting your environment?

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