Vulnerability Details CVE-2021-31249
A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.926
EPSS Ranking 99.7%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 6.4
References
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
Products affected by CVE-2021-31249
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cpe:2.3:h:chiyu-tech:bf-430:-
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cpe:2.3:h:chiyu-tech:bf-431:-
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cpe:2.3:h:chiyu-tech:bf-450m:-
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cpe:2.3:o:chiyu-tech:bf-430_firmware:-
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cpe:2.3:o:chiyu-tech:bf-431_firmware:-
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cpe:2.3:o:chiyu-tech:bf-450m_firmware:-