CVE-2021-31250

Multiple storage XSS vulnerabilities were discovered on BF-430, BF-431 and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of sanitization of the input on the components man.cgi, if.cgi, dhcpc.cgi, ppp.cgi.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.chiyu-tech.com/msg/message-Firmware-update-87.htm	Vendor Advisory
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/	Exploit Third Party Advisory
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31250	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:chiyu-tech:bf-430_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:chiyu-tech:bf-430:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:chiyu-tech:bf-431_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:chiyu-tech:bf-431:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:chiyu-tech:bf-450m_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:chiyu-tech:bf-450m:-:*:*:*:*:*:*:*

Information

Published : 2021-06-04 14:15

Updated : 2021-06-08 11:39

NVD link : CVE-2021-31250

Mitre link : CVE-2021-31250

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

chiyu-tech

bf-450m_firmware
bf-431_firmware
bf-450m
bf-430
bf-430_firmware
bf-431

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