Vulnerability Monitor

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CVE-2018-8836

Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools.

Published

2018-04-03T13:29:00.277

Last Modified

2024-11-21T04:14:25.160

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

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-404
  • Type: Primary
    CWE-404
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System wago 750-880_firmware ≤ 10 Yes
Hardware wago 750-880 - No
Operating System wago 750-881_firmware ≤ 10 Yes
Hardware wago 750-881 - No
Operating System wago 750-852_firmware ≤ 10 Yes
Hardware wago 750-852 - No
Operating System wago 750-882_firmware ≤ 10 Yes
Hardware wago 750-882 - No
Operating System wago 750-885_firmware ≤ 10 Yes
Hardware wago 750-885 - No
Operating System wago 750-831_firmware ≤ 10 Yes
Hardware wago 750-831 - No
Operating System wago 750-889_firmware ≤ 10 Yes
Hardware wago 750-889 - No
Operating System wago 750-829_firmware ≤ 10 Yes
Hardware wago 750-829 - No
References