Vulnerability Monitor

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CVE-2020-7584

A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.

Published

2020-07-14T14:15:18.650

Last Modified

2024-11-21T05:37:25.200

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-400
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_s7-200_smart_sr_cpu_firmware < 2.5.1 Yes
Hardware siemens simatic_s7-200_smart_sr_cpu - No
Operating System siemens simatic_s7-200_smart_st_cpu_firmware < 2.5.1 Yes
Hardware siemens simatic_s7-200_smart_st_cpu - No
References