CVE-2021-31251
35Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 36%
from disclosure to weapon0 days
Published on NVDJun 4
1st PoCJun 3
exploitation probability
36%top 2% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
Affected products
n/a · n/apublic PoCs found — 1
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