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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T22:55:53.355Z

Reserved: 2021-04-15T00:00:00

Link: CVE-2021-31251

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-04T21:15:07.517

Modified: 2024-11-21T06:05:22.107

Link: CVE-2021-31251

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.