6.5

CVE-2021-31249

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Chiyu-tech ≫ Bf-430 Firmware Version-
   Chiyu-tech ≫ Bf-430 Version-
Chiyu-tech ≫ Bf-431 Firmware Version-
   Chiyu-tech ≫ Bf-431 Version-
Chiyu-tech ≫ Bf-450m Firmware Version-
   Chiyu-tech ≫ Bf-450m Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 18% 0.968
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:P/A:N
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product 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.

https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
Vendor Advisory
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
Third Party Advisory
Exploit
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249
Third Party Advisory
Exploit