{"cve":"CVE-2023-4463","nvd":{"published":"2023-12-29T10:15:11.413","modified":"2026-06-17T06:37:53.117","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-404"],"references":["https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html","https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices","https://modzero.com/en/advisories/mz-23-01-poly-voip/","https://vuldb.com/?ctiid.249256","https://vuldb.com/?id.249256"],"products":["poly:ccx_400_firmware","poly:ccx_600_firmware","poly:trio_8800_firmware","poly:trio_c60_firmware"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-4463","score":0.01006,"percentile":0.63014,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}