Vulnerability Monitor

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CVE-2020-25242

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

Published

2021-05-12T14:15:10.657

Last Modified

2024-11-21T05:17:44.760

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
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_net_cp_343-1_advanced_firmware * Yes
Hardware siemens simatic_net_cp_343-1_advanced - No
Operating System siemens simatic_net_cp_343-1_lean_firmware * Yes
Hardware siemens simatic_net_cp_343-1_lean - No
Operating System siemens simatic_net_cp_343-1_standard_firmware * Yes
Hardware siemens simatic_net_cp_343-1_standard - No
References