Vulnerability Monitor

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CVE-2021-45117

The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.

Published

2022-03-21T15:15:07.927

Last Modified

2024-11-21T06:31:59.667

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-476
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application opcfoundation ua-nodeset < 1.05.01 Yes
Application siemens simatic_net_pc 14 Yes
Application siemens simatic_net_pc 15 Yes
Application siemens simatic_net_pc 16 Yes
Application siemens simatic_net_pc 17 Yes
Application siemens sitop_manager - Yes
Application siemens telecontrol_server_basic 3.0 Yes
References