CVE-2023-27334: (Pwn2Own) Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability
First published: Fri May 03 2024(Updated: )
Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion 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 UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20498.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Softing edgeConnector |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-27334?
CVE-2023-27334 is classified as a denial-of-service vulnerability that can severely impact the availability of affected systems.
How do I fix CVE-2023-27334?
To mitigate CVE-2023-27334, it is essential to apply the latest security patches provided by Softing for edgeConnector Siemens.
Who is affected by CVE-2023-27334?
CVE-2023-27334 affects all installations of Softing edgeConnector Siemens.
Is authentication required to exploit CVE-2023-27334?
No, CVE-2023-27334 can be exploited by remote attackers without requiring authentication.
What type of vulnerability is CVE-2023-27334?
CVE-2023-27334 is a condition refresh resource exhaustion vulnerability leading to a denial-of-service.
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