{"cve":"CVE-2023-5490","nvd":{"published":"2023-10-10T15:15:10.927","modified":"2026-06-17T06:48:42.123","status":"Modified","description":"A vulnerability classified as critical was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This vulnerability affects unknown code of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-241642 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-434"],"references":["https://github.com/llixixi/cve/blob/main/s45_upload_%20userattestation.md","https://vuldb.com/?ctiid.241642","https://vuldb.com/?id.241642","https://vuldb.com/?submit.213947","https://github.com/llixixi/cve/blob/main/s45_upload_%20userattestation.md"],"products":["byzoro:smart_s45f_firmware"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-5490","score":0.01967,"percentile":0.80377,"date":"2026-11-01"},"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."]}