CVE:CVE-2021-33542
CNNVD:CNNVD-202106-1758
Phoenix Contact Classic Automation是德国Phoenix Contac（Phoenix Contact）公司的提供剩余零件和 Phoenix Contact 维修服务。
Phoenix Contact Classic Automation Worx Software Suite 1.87及之前版本存在安全漏洞，该漏洞源于当未分配的内存由于未完全初始化的数据而被释放时，被操纵的PC Worx或Config+项目可能会导致远程代码执行。
solution:Upgrade phoenixcontact config+ to a higher version than 1.87,and avoid the version (,1.87]; Upgrade phoenixcontact pc_worx to a higher version than 1.87,and avoid the version (,1.87]; Upgrade phoenixcontact pc_worx_express to a higher version than 1.87,and avoid the version (,1.87]