CVE:CVE-2023-23449
CNNVD:CNNVD-202305-1346
SICK FTMg是德国西克（SICK）公司的一款流量传感器。
SICK FTMg AIR FLOW SENSOR存在安全漏洞，该漏洞源于可观察到响应差异，允许远程攻击者通过REST接口分析来自服务器的质询响应来获取有关有效用户名的信息。
solution:Upgrade sick ftmg-esd20axx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esd25axx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esn40sxx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esn50sxx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esr50sxx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esr40sxx_firmware to a higher version than 2.0,and avoid the version (,2.0); Upgrade sick ftmg-esd15axx_firmware to a higher version than 2.0,and avoid the version (,2.0)