This might be proprietary software.

#Vulnerabilities 1
Date ID Summary Products Score Patch
2018-03-20 CVE-2018-4843 A vulnerability has been identified in SIMATIC CP 343-1 Advanced (All versions), SIMATIC CP 343-1 Standard (All versions), SIMATIC CP 443-1 Advanced (All versions), SIMATIC CP 443-1 Standard (All versions), SIMATIC S7-1500 Software Controller incl. F (All versions < V1.7.0), SIMATIC S7-1500 incl. F (All versions < V1.7.0), SIMATIC S7-300 incl. F and T (All versions < V3.X.16), SIMATIC S7-400 H V6 (All versions < V6.0.9), SIMATIC S7-400 PN/DP V6 Incl. F (All versions < V6.0.7), SIMATIC S7-400... Simatic_cp_343\-1_firmware, Simatic_cp_443\-1_firmware, Simatic_s7\-1500_firmware, Simatic_s7\-300_firmware, Simatic_s7\-400_h_v6_firmware, Simatic_s7\-400_pn\/dp_v6_firmware, Simatic_s7\-400_pn\/dp_v7_firmware, Simatic_s7\-410_firmware, Simatic_winac_rtx_2010_firmware, Sinumerik_828d_firmware, Softnet_pn\-Io_linux_firmware 6.5