Vulnerability · Published Jun 4, 2021 · Assigned by mitre
CVE-2021-31249
Medium 6.5
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 18.0% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)18.0%top 2.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
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.
Affected products (as reported)
References
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ x_refsource_MISC
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html x_refsource_MISC
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 x_refsource_MISC