{"id":"CVE-2023-4463","aliases":["EUVD-2023-54318","GHSA-g8c7-p5fx-vxh6"],"status":"published","title":"Poly CCX 400/CCX 600/Trio 8800/Trio C60 HTTP Header denial of service","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01006,"percentile":0.63288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2023-12-29T09:37:55Z","modified":"2026-06-17T06:37:53Z","products":[{"vendor":"poly","product":"ccx 400"},{"vendor":"poly","product":"ccx 600"},{"vendor":"poly","product":"ccx_400_firmware"},{"vendor":"poly","product":"ccx_600_firmware"},{"vendor":"poly","product":"trio 8800"},{"vendor":"poly","product":"trio c60"},{"vendor":"poly","product":"trio_8800_firmware"},{"vendor":"poly","product":"trio_c60_firmware"}],"references":[{"url":"https://vuldb.com/?id.249256","tags":["vdb-entry","technical-description","x_transferred","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.249256","tags":["signature","permissions-required","x_transferred","Permissions Required"]},{"url":"https://modzero.com/en/advisories/mz-23-01-poly-voip/","tags":["related","x_transferred"]},{"url":"https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices","tags":["exploit","x_transferred"]},{"url":"https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html","tags":["related","x_transferred","Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4463"},{"url":"https://modzero.com/en/advisories/mz-23-01-poly-voip"},{"url":"https://modzero.com/en/advisories/mz-23-01-poly-voip-devices"},{"url":"https://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products"},{"url":"https://github.com/advisories/GHSA-g8c7-p5fx-vxh6"},{"url":"https://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products/","tags":["Exploit","Third Party Advisory"]}],"sources":{"cve":[{"id":"CVE-2023-4463","title":"Poly CCX 400/CCX 600/Trio 8800/Trio C60 HTTP Header denial of service","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.","status":"published","published":"2023-12-29T09:37:55.98Z","modified":"2024-08-02T07:31:05.44Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","assessor":"cna"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54318","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.","status":"published","published":"2023-12-29T09:37:55Z","modified":"2024-08-02T07:31:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:12.64889Z"}],"ghsa":[{"id":"GHSA-g8c7-p5fx-vxh6","title":"A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio...","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.","status":"published","published":"2023-12-29T12:30:41Z","modified":"2024-02-29T03:32:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:55:38.39087Z"}],"nvd":[{"id":"CVE-2023-4463","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.","status":"published","published":"2023-12-29T10:15:11.413Z","modified":"2026-06-17T06:37:53.117Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:08:59.830468Z"}]}}