7.1
CVSSv2

CVE-2021-37204

Published: 09/02/2022 Updated: 11/04/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

siemens simatic_drive_controller_cpu_1504d_tf_firmware

siemens simatic_drive_controller_cpu_1507d_tf_firmware

siemens simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware

siemens simatic_s7-plcsim_advanced_firmware

siemens simatic_s7-plcsim_advanced_firmware 4.0

siemens tim_1531_irc_firmware

siemens simatic s7-1500 software controller

siemens simatic_s7-1200_cpu_1211c_firmware

siemens simatic_s7-1200_cpu_1212c_firmware

siemens simatic_s7-1200_cpu_1212fc_firmware

siemens simatic_s7-1200_cpu_1214fc_firmware

siemens simatic_s7-1200_cpu_1214c_firmware

siemens simatic_s7-1200_cpu_1215fc_firmware

siemens simatic_s7-1200_cpu_1215c_firmware

siemens simatic_s7-1200_cpu_1217c_firmware

siemens simatic_s7-1500_cpu_1510sp-1_firmware

siemens simatic_s7-1500_cpu_1510sp_firmware

siemens simatic_s7-1500_cpu_1511-1_firmware

siemens simatic_s7-1500_cpu_1511c-1_firmware

siemens simatic_s7-1500_cpu_1511f-1_firmware

siemens simatic_s7-1500_cpu_1511t-1_firmware

siemens simatic_s7-1500_cpu_1511tf-1_firmware

siemens simatic_s7-1500_cpu_1512c-1_firmware

siemens simatic_s7-1500_cpu_1512sp-1_firmware

siemens simatic_s7-1500_cpu_1512spf-1_firmware

siemens simatic_s7-1500_cpu_1513-1_firmware

siemens simatic_s7-1500_cpu_1513f-1_firmware

siemens simatic_s7-1500_cpu_1513r-1_firmware

siemens simatic_s7-1500_cpu_cpu_1513prof-2_firmware

siemens simatic_s7-1500_cpu_cpu_1513pro-2_firmware

siemens simatic_s7-1500_cpu_1515-2_firmware

siemens simatic_s7-1500_cpu_1515f-2_firmware

siemens simatic_s7-1500_cpu_1515r-2_firmware

siemens simatic_s7-1500_cpu_1515t-2_firmware

siemens simatic_s7-1500_cpu_1515tf-2_firmware

siemens simatic_s7-1500_cpu_1516pro_f_firmware

siemens simatic_s7-1500_cpu_1516pro-2_firmware

siemens simatic_s7-1500_cpu_1516-3_firmware

siemens simatic_s7-1500_cpu_1516f-3_firmware

siemens simatic_s7-1500_cpu_1516t-3_firmware

siemens simatic_s7-1500_cpu_1516tf-3_firmware

siemens simatic_s7-1500_cpu_1517-3_firmware

siemens simatic_s7-1500_cpu_1517f-3_firmware

siemens simatic_s7-1500_cpu_1517tf-3_firmware

siemens simatic_s7-1500_cpu_1518-4_firmware

siemens simatic_s7-1500_cpu_1518f-4_firmware

siemens simatic_s7-1500_cpu_1518hf-4_firmware

siemens simatic_s7-1500_cpu_1518t-4_firmware

siemens simatic_s7-1500_cpu_1518tf-4_firmware