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CVE-2021-45117

nvd nist
Published: Mar 21, 2022Modified: Nov 21, 2024

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

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.

Affected (7)

Opcfoundation
1 product
Ua Nodeset
Siemens
3 products
Simatic Net Pc
Sitop Manager
Telecontrol Server Basic
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Ua Nodeset
Before 1.05.01
Configuration B
6 vulnerable
Vulnerable SoftwareAffected Versions
Siemens
Simatic Net Pc
Version 14
Simatic Net Pc
Version 15
Simatic Net Pc
Version 16
Simatic Net Pc
Version 17
Sitop Manager
All versions
Telecontrol Server Basic
Version 3.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (6)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.