CVE:CVE-2021-20653
CNNVD:CNNVD-202102-1193
NEC Calsos CSDJ是日本NEC公司的一个监控设备。提供水和污水，制造业和农业等各个行业中支持物联网的远程监控系统。
Calsos CSDJ中存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
solution:Upgrade nec csdj-b_firmware to a higher version than 01.08.00,and avoid the version (,01.08.00]; Upgrade nec csdj-h_firmware to a higher version than 01.08.00,and avoid the version (,01.08.00]; Upgrade nec csdj-d_firmware to a higher version than 01.08.00,and avoid the version (,01.08.00]; Upgrade nec csdj-a_firmware to a higher version than 03.08.00,and avoid the version (,03.08.00]