CVE:CVE-2021-25669
CNNVD:CNNVD-202104-984
Siemens Web Server是德国西门子（Siemens）公司的一个web服务器。
Siemens Web Server存在缓冲区错误漏洞，该漏洞源于web服务器对POST请求的不正确处理可能会使栈写入越界。攻击者可利用该漏洞导致拒绝服务或远程执行代码。以下产品或版本受到影响：SCALANCE X200-4P IRT、SCALANCE X201-3P IRT、SCALANCE X201-3P IRT PRO、SCALANCE X202-2 IRT、SCALANCE X202-2P IRT、SCALANCE X202-2P IRT PRO、SCALANCE X204 IRT、SCALANCE X204 IRT PRO、SCALANCE X204-2、SCALANCE X204-2FM、SCALANCE X204-2LD、SCALANCE X204-2LD TS、SCALANCE X204-2TS、SCALANCE X206-1、SCALANCE X206-1LD、SCALANCE X208、SCALANCE X208PRO、SCALANCE X212-2、SCALANCE X212-2LD、SCALANCE X216、SCALANCE X224、SCALANCE XF201-3P IRT、SCALANCE XF202-2P IRT、SCALANCE XF204、SCALANCE XF204 IRT、SCALANCE XF204-2、SCALANCE XF204-2BA IRT、SCALANCE XF206-1、SCALANCE XF208。
solution:Upgrade siemens scalance_x200-4p_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x201-3p_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x201-3p_irt_pro_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x202-2_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x202-2p_irt_pro_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x204_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x204_irt_pro_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_x204-2_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x204-2fm_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x204-2ld_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x204-2ld_ts_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x204-2ts_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x206-1_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x206-1ld_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x208_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x208pro_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x212-2_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x212-2ld_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x216_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x224_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_xf201-3p_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_xf202-2p_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_xf204_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_xf204_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_xf204-2_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_xf204-2ba_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1); Upgrade siemens scalance_xf206-1_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_xf208_firmware to a higher version than 5.2.5,and avoid the version (,5.2.5); Upgrade siemens scalance_x202-2p_irt_firmware to a higher version than 5.5.1,and avoid the version (,5.5.1)