Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Softing | Edgeaggregator | < 3.70 |
| Softing | Edgeconnector | < 3.70 |
| Softing | Secure Integration Server | < 1.30 |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-23-1065/Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1065/Third Party Advisory
FAQ
What is CVE-2023-27336?
CVE-2023-27336 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ins...
How severe is CVE-2023-27336?
CVE-2023-27336 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-27336?
Check the references section above for vendor advisories and patch information. Affected products include: Softing Edgeaggregator, Softing Edgeconnector, Softing Secure Integration Server.