OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. 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-20505.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: zdi
Published: 2024-05-07T22:55:01.898Z
Updated: 2024-08-02T12:09:43.438Z
Reserved: 2023-02-28T17:58:45.477Z
Link: CVE-2023-27321
Vulnrichment
Updated: 2024-08-02T12:09:43.438Z
NVD
Status : Awaiting Analysis
Published: 2024-05-07T23:15:15.760
Modified: 2024-05-08T13:15:00.690
Link: CVE-2023-27321
Redhat
No data.