Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-37205

A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), 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 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), 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 packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.

  • Published: Feb 9, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-37205
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.1
  • AV:N/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
siemens / simatic_drive_controller_cpu_1504d_tf_firmware - 2.9.4
siemens / simatic_drive_controller_cpu_1507d_tf_firmware - 2.9.4
siemens / simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware - -
siemens / simatic_s7-plcsim_advanced_firmware - 4.0
siemens / simatic_s7-plcsim_advanced_firmware 4.0 4.0.x
siemens / tim_1531_irc_firmware 2.2 2.2.x
siemens / simatic_s7-1500_software_controller - -
siemens / simatic_s7-1200_cpu_1211c_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1212c_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1212fc_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1214fc_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1214c_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1215fc_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1215c_firmware 4.5.0 4.5.2
siemens / simatic_s7-1200_cpu_1217c_firmware 4.5.0 4.5.2
siemens / simatic_s7-1500_cpu_1510sp-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1510sp_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1511-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1511c-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1511f-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1511t-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1511tf-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1512c-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1512sp-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1512spf-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1513-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1513f-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1513r-1_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_cpu_1513prof-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_cpu_1513pro-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1515-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1515f-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1515r-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1515t-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1515tf-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516pro_f_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516pro-2_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516f-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516t-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1516tf-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1517-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1517f-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1517tf-3_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1518-4_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1518f-4_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1518hf-4_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1518t-4_firmware 2.9.2 2.9.4
siemens / simatic_s7-1500_cpu_1518tf-4_firmware 2.9.2 2.9.4