CVE:CVE-2021-27734
CNNVD:CNNVD-202105-1156
Belden HiOS是美国百通（Belden）公司的一套用于以太网交换机的操作系统。
Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 存在安全漏洞，该漏洞允许远程攻击者可利用该漏洞更改现有用户的凭据。
solution:Upgrade belden hirschmann_hios to a higher version than 08.6.00,07.1.01,07.1.02,and avoid the version [08.1.00,08.6.00),07.1.01,07.1.02; Upgrade belden hisecos to a higher version than 03.5.01,and avoid the version [03.3.00,03.5.01]