{"cve":"CVE-2023-4466","nvd":{"published":"2023-12-29T10:15:12.470","modified":"2026-06-17T06:37:53.637","status":"Modified","description":"A vulnerability has been found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Web Interface. The manipulation leads to protection mechanism failure. The attack can be launched remotely. The vendor explains that they do not regard this as a vulnerability as this is a feature that they offer to their customers who have a variety of environmental needs that are met through different firmware builds. To avoid potential roll-back attacks, they remove vulnerable builds from the public servers as a remediation effort. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249259.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","score":4.9},"cwes":["CWE-693"],"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.249259","https://vuldb.com/?id.249259"],"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-2023-4466","score":0.00617,"percentile":0.49564,"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."]}