CVE:CVE-2023-35921
CNNVD:CNNVD-202307-744
Siemens SIMATIC是德国西门子（Siemens）公司的一款组态软件。
Siemens SIMATIC 多款产品存在安全漏洞，该漏洞源于受影响的设备无法正确处理发送到设备的特制以太网帧。这可能允许未经身份验证的远程攻击者造成拒绝服务情况。受影响的设备必须手动重新启动。
solution:Upgrade siemens simatic_mv540_h_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4); Upgrade siemens simatic_mv540_s_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4); Upgrade siemens simatic_mv550_h_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4); Upgrade siemens simatic_mv550_s_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4); Upgrade siemens simatic_mv560_u_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4); Upgrade siemens simatic_mv560_x_firmware to a higher version than 3.3.4,and avoid the version (,3.3.4)