Vulnerability Monitor

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CVE-2021-37185

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

2022-02-09T16:15:12.823

Last Modified

2024-11-21T06:14:48.977

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-672
  • Type: Secondary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_drive_controller_cpu_1504d_tf_firmware < 2.9.4 Yes
Hardware siemens simatic_drive_controller_cpu_1504d_tf - No
Operating System siemens simatic_drive_controller_cpu_1507d_tf_firmware < 2.9.4 Yes
Hardware siemens simatic_drive_controller_cpu_1507d_tf - No
Operating System siemens simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware * Yes
Hardware siemens simatic_et_200sp_open_controller_cpu_1515sp_pc2 - No
Operating System siemens simatic_s7-plcsim_advanced_firmware < 4.0 Yes
Operating System siemens simatic_s7-plcsim_advanced_firmware 4.0 Yes
Hardware siemens simatic_s7-plcsim_advanced - No
Operating System siemens tim_1531_irc_firmware ≥ 2.2 Yes
Hardware siemens tim_1531_irc - No
Application siemens simatic_s7-1500_software_controller * Yes
Operating System siemens simatic_s7-1200_cpu_1211c_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1211c - No
Operating System siemens simatic_s7-1200_cpu_1212c_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1212c - No
Operating System siemens simatic_s7-1200_cpu_1212fc_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1212fc - No
Operating System siemens simatic_s7-1200_cpu_1214fc_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1214fc - No
Operating System siemens simatic_s7-1200_cpu_1214c_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1214c - No
Operating System siemens simatic_s7-1200_cpu_1215fc_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1215fc - No
Operating System siemens simatic_s7-1200_cpu_1215c_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1215c - No
Operating System siemens simatic_s7-1200_cpu_1217c_firmware < 4.5.2 Yes
Hardware siemens simatic_s7-1200_cpu_1217c - No
Operating System siemens simatic_s7-1500_cpu_1510sp-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1510sp-1 - No
Operating System siemens simatic_s7-1500_cpu_1510sp_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1510sp - No
Operating System siemens simatic_s7-1500_cpu_1511-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1511-1 - No
Operating System siemens simatic_s7-1500_cpu_1511c-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1511c-1 - No
Operating System siemens simatic_s7-1500_cpu_1511f-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1511f-1 - No
Operating System siemens simatic_s7-1500_cpu_1511t-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1511t-1 - No
Operating System siemens simatic_s7-1500_cpu_1511tf-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1511tf-1 - No
Operating System siemens simatic_s7-1500_cpu_1512c-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1512c-1 - No
Operating System siemens simatic_s7-1500_cpu_1512sp-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1512sp-1 - No
Operating System siemens simatic_s7-1500_cpu_1512spf-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1512spf-1 - No
Operating System siemens simatic_s7-1500_cpu_1513-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1513-1 - No
Operating System siemens simatic_s7-1500_cpu_1513f-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1513f-1 - No
Operating System siemens simatic_s7-1500_cpu_1513r-1_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1513r-1 - No
Operating System siemens simatic_s7-1500_cpu_cpu_1513prof-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_cpu_1513prof-2 - No
Operating System siemens simatic_s7-1500_cpu_cpu_1513pro-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_cpu_1513pro-2 - No
Operating System siemens simatic_s7-1500_cpu_1515-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1515-2 - No
Operating System siemens simatic_s7-1500_cpu_1515f-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1515f-2 - No
Operating System siemens simatic_s7-1500_cpu_1515r-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1515r-2 - No
Operating System siemens simatic_s7-1500_cpu_1515t-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1515t-2 - No
Operating System siemens simatic_s7-1500_cpu_1515tf-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1515tf-2 - No
Operating System siemens simatic_s7-1500_cpu_1516pro_f_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516pro_f - No
Operating System siemens simatic_s7-1500_cpu_1516pro-2_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516pro-2 - No
Operating System siemens simatic_s7-1500_cpu_1516-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516-3 - No
Operating System siemens simatic_s7-1500_cpu_1516f-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516f-3 - No
Operating System siemens simatic_s7-1500_cpu_1516t-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516t-3 - No
Operating System siemens simatic_s7-1500_cpu_1516tf-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1516tf-3 - No
Operating System siemens simatic_s7-1500_cpu_1517-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1517-3 - No
Operating System siemens simatic_s7-1500_cpu_1517f-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1517f-3 - No
Operating System siemens simatic_s7-1500_cpu_1517tf-3_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1517tf-3 - No
Operating System siemens simatic_s7-1500_cpu_1518-4_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1518-4 - No
Operating System siemens simatic_s7-1500_cpu_1518f-4_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1518f-4 - No
Operating System siemens simatic_s7-1500_cpu_1518hf-4_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1518hf-4 - No
Operating System siemens simatic_s7-1500_cpu_1518t-4_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1518t-4 - No
Operating System siemens simatic_s7-1500_cpu_1518tf-4_firmware < 2.9.4 Yes
Hardware siemens simatic_s7-1500_cpu_1518tf-4 - No
References