Vulnerability Details CVE-2023-27336
Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 50.3%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2023-27336
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cpe:2.3:a:softing:edgeaggregator:3.1
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cpe:2.3:a:softing:edgeaggregator:3.4.0
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cpe:2.3:a:softing:edgeaggregator:3.40
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cpe:2.3:a:softing:edgeaggregator:3.50
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cpe:2.3:a:softing:edgeaggregator:3.60
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cpe:2.3:a:softing:edgeconnector:-
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cpe:2.3:a:softing:edgeconnector:2.31
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cpe:2.3:a:softing:edgeconnector:3.1
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cpe:2.3:a:softing:edgeconnector:3.40
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cpe:2.3:a:softing:edgeconnector:3.50
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cpe:2.3:a:softing:edgeconnector:3.60
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cpe:2.3:a:softing:secure_integration_server:-
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cpe:2.3:a:softing:secure_integration_server:1.22
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cpe:2.3:a:softing:secure_integration_server:1.22.0.8686