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    CVE-2023-5491

    A vulnerability, which was classified as critical, has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This issue affects some unknown processing of the file /sysmanage/updatelib.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-241643. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Oct 10, 2023
    Last Modified:Jun 16, 2025
    EPS:Oct 10, 2023
    EPSS Score:0.00087
    CVSS Score:6.3

    Affected Products

    Vendor
    Byzoro
    Product
    Smart S45f
    Vendor
    Byzoro
    Product
    Smart S45f Firmware

    Exploits

    https://github.com/llixixi/cve/blob/main/s45_upload_changelogo.mdhttps://github.com/llixixi/cve/blob/main/s45_upload_changelogo.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2023-5494 (CVSS 6.3) — A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up…
    CVE-2023-5493 (CVSS 6.3) — A vulnerability has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platfo…
    CVE-2023-5492 (CVSS 6.3) — A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway…
    CVE-2023-5490 (CVSS 6.3) — A vulnerability classified as critical was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent…
    CVE-2023-5489 (CVSS 6.3) — A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intell…
    CVE-2023-5488 (CVSS 6.3) — A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up…
    CVE-2023-4873 (CVSS 6.3) — A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway…
    CVE-2023-4745 (CVSS 6.3) — A vulnerability was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High