CVE-2023-27336
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSofting Edgeconnector
PublishedMay 3, 2024
First seenMay 3, 2024
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- softing edgeconnector3.70 or later
- softing edgeaggregator3.70 or later
- softing secure_integration_server1.30 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| softing edgeconnector | v < 3.70 | 3.70 |
| softing edgeaggregator | v < 3.70 | 3.70 |
| softing secure_integration_server | v < 1.30 | 1.30 |
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