Vulnerabilities > Chiyu Tech > Semac S2 Firmware > Critical
DATE | CVE | VULNERABILITY TITLE | RISK |
---|---|---|---|
2021-06-04 | CVE-2021-31251 | Improper Authentication vulnerability in Chiyu-Tech products An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to believe that the user has already authenticated. | 9.8 |