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CVE-2021-45117 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf	CVE	PatchThird Party Advisory
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf	CVE	PatchVendor Advisory
https://www.youtube.com/watch?v=qv-RBdCaV4k	CVE	ExploitThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf	[email protected]	PatchThird Party Advisory
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf	[email protected]	PatchVendor Advisory
https://www.youtube.com/watch?v=qv-RBdCaV4k	[email protected]	ExploitThird Party Advisory

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]

Product	Versions
opcfoundation ua-nodeset	< 1.05.01
CPE cpe:2.3:a:opcfoundation:ua-nodeset:::::::: Remediation No remediation found in references.
siemens simatic net pc	14 - 15 - 16 - 17 -
CPE cpe:2.3:a:siemens:simatic_net_pc:14:-:::::: cpe:2.3:a:siemens:simatic_net_pc:15:-:::::: cpe:2.3:a:siemens:simatic_net_pc:16:-:::::: cpe:2.3:a:siemens:simatic_net_pc:17:-:::::: Remediation No remediation found in references.
siemens sitop manager	All versions
CPE cpe:2.3:a:siemens:sitop_manager:-:::::::* Remediation No remediation found in references.
siemens telecontrol server basic	3.0
CPE cpe:2.3:a:siemens:telecontrol_server_basic:3.0:::::::* Remediation No remediation found in references.

6 change records found show changes

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