Vulnerability Monitor

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CVE-2020-15783

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.

Published

2020-11-12T20:15:16.343

Last Modified

2024-11-21T05:06:10.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-400
  • Type: Secondary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens sinumerik_840d_sl_firmware * Yes
Hardware siemens sinumerik_840d_sl - No
Operating System siemens simatic_s7-300_cpu_312_firmware * Yes
Hardware siemens simatic_s7-300_cpu_312 - No
Operating System siemens simatic_s7-300_cpu_314_firmware * Yes
Hardware siemens simatic_s7-300_cpu_314 - No
Operating System siemens simatic_s7-300_cpu_315-2_dp_firmware * Yes
Hardware siemens simatic_s7-300_cpu_315-2_dp - No
Operating System siemens simatic_s7-300_cpu_315-2_pn_firmware * Yes
Hardware siemens simatic_s7-300_cpu_315-2_pn - No
Operating System siemens simatic_s7-300_cpu_317-2_pn_firmware * Yes
Hardware siemens simatic_s7-300_cpu_317-2_pn - No
Operating System siemens simatic_s7-300_cpu_317-2_dp_firmware * Yes
Hardware siemens simatic_s7-300_cpu_317-2_dp - No
Operating System siemens simatic_s7-300_cpu_315f-2_dp_firmware * Yes
Hardware siemens simatic_s7-300_cpu_315f-2_dp - No
Operating System siemens simatic_s7-300_cpu_315f-2_pn_firmware * Yes
Hardware siemens simatic_s7-300_cpu_315f-2_pn - No
Operating System siemens simatic_s7-300_cpu_317f-2_pn_firmware * Yes
Hardware siemens simatic_s7-300_cpu_317f-2_pn - No
Operating System siemens simatic_s7-300_cpu_317f-2_dp_firmware * Yes
Hardware siemens simatic_s7-300_cpu_317f-2_dp - No
Operating System siemens simatic_tdc_cpu555_firmware * Yes
Hardware siemens simatic_tdc_cpu555 - No
References