CVE-2021-45117

Medium

Description

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

SeverityMedium
CVSS6.5
Exploit probability73. percentile1.4%
ProductOpcfoundation Ua-nodeset
PublishedMar 21, 2022
First seenMar 21, 2022

How to fix

Update
  • opcfoundation ua-nodeset1.05.01 or later

Affected products

ProductAffected versionsFixed in
opcfoundation ua-nodesetv < 1.05.011.05.01
siemens simatic_net_pc14, 15, 16, 17—
siemens sitop_managerNo range specified—
siemens telecontrol_server_basic3.0—

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