CVE-2023-4463

Name: CVE-2023-4463
Creator: NVD / NIST
Published: 2023-12-29T10:15:11.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2023-4463 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Poly	Ccx 400 Firmware	All versions
Poly	Ccx 600 Firmware	All versions
Poly	Trio 8800 Firmware	All versions
Poly	Trio C60 Firmware	All versions

References

https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.htmlNot Applicable
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
https://modzero.com/en/advisories/mz-23-01-poly-voip/
https://vuldb.com/?ctiid.249256Permissions Required
https://vuldb.com/?id.249256Third Party Advisory
https://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products/Exploit, Third Party Advisory
https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.htmlNot Applicable
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
https://modzero.com/en/advisories/mz-23-01-poly-voip/
https://vuldb.com/?ctiid.249256Permissions Required
https://vuldb.com/?id.249256Third Party Advisory

Timeline

Published: Dec 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4463?

How severe is CVE-2023-4463?

CVE-2023-4463 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4463?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4463?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST