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    CVE-2021-31252

    An open redirect vulnerability exists in BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, and SEMAC devices from CHIYU Technology that can be exploited by sending a link that has a specially crafted URL to convince the user to click on it.

    Published:Jun 4, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 4, 2021
    EPSS Score:0.02868
    CVSS Score:6.1

    Affected Products

    Vendor
    Chiyu-tech
    Product
    Bf-430
    Vendor
    Chiyu-tech
    Product
    Bf-430 Firmware
    Vendor
    Chiyu-tech
    Product
    Bf-431
    Vendor
    Chiyu-tech
    Product
    Bf-431 Firmware
    Vendor
    Chiyu-tech
    Product
    Bf-450m
    Vendor
    Chiyu-tech
    Product
    Bf-450m Firmware
    Vendor
    Chiyu-tech
    Product
    Bf-630
    Vendor
    Chiyu-tech
    Product
    Bf-630 Firmware
    Vendor
    Chiyu-tech
    Product
    Bf-631w
    Vendor
    Chiyu-tech
    Product
    Bf-631w Firmware
    Vendor
    Chiyu-tech
    Product
    Bf-830w
    Vendor
    Chiyu-tech
    Product
    Bf-830w Firmware
    Vendor
    Chiyu-tech
    Product
    Semac D1
    Vendor
    Chiyu-tech
    Product
    Semac D1 Firmware
    Vendor
    Chiyu-tech
    Product
    Semac D2
    Vendor
    Chiyu-tech
    Product
    Semac D2 Firmware
    Vendor
    Chiyu-tech
    Product
    Semac D2 N300
    Vendor
    Chiyu-tech
    Product
    Semac D2 N300 Firmware
    Vendor
    Chiyu-tech
    Product
    Semac D4
    Vendor
    Chiyu-tech
    Product
    Semac D4 Firmware
    Vendor
    Chiyu-tech
    Product
    Semac S1 Osdp
    Vendor
    Chiyu-tech
    Product
    Semac S1 Osdp Firmware
    Vendor
    Chiyu-tech
    Product
    Semac S2
    Vendor
    Chiyu-tech
    Product
    Semac S2 Firmware
    Vendor
    Chiyu-tech
    Product
    Semac S3v3
    Vendor
    Chiyu-tech
    Product
    Semac S3v3 Firmware
    Vendor
    Chiyu-tech
    Product
    Webpass
    Vendor
    Chiyu-tech
    Product
    Webpass Firmware

    Exploits

    https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    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