CVE-2021-31249 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	6.5 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 99%

Affected Products (NVD)

Vendor	Product	Version
chiyu-tech	bf-430_firmware	-
chiyu-tech	bf-431_firmware	-
chiyu-tech	bf-450m_firmware	-

𝑥

= Vulnerable software versions

Known Exploits!

Common Weakness Enumeration

CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

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