Filtered by vendor Opcfoundation Subscriptions
Filtered by product Ua-.netstandard Subscriptions
Total 7 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2023-27321 1 Opcfoundation 1 Ua-.netstandard 2025-08-14 N/A
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.
CVE-2023-31048 1 Opcfoundation 1 Ua-.netstandard 2024-11-21 5.3 Medium
The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely.
CVE-2020-29457 1 Opcfoundation 1 Ua-.netstandard 2024-11-21 4.4 Medium
A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.
CVE-2019-19135 1 Opcfoundation 2 Netstandard.opc.ua, Ua-.netstandard 2024-11-21 7.4 High
In OPC Foundation OPC UA .NET Standard codebase 1.4.357.28, servers do not create sufficiently random numbers in OPCFoundation.NetStandard.Opc.Ua before 1.4.359.31, which allows man in the middle attackers to reuse encrypted user credentials sent over the network.
CVE-2018-7559 1 Opcfoundation 2 Ua-.net-legacy, Ua-.netstandard 2024-11-21 N/A
An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote attacker to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.
CVE-2018-12087 1 Opcfoundation 2 Ua-.net-legacy, Ua-.netstandard 2024-11-21 N/A
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
CVE-2024-45526 1 Opcfoundation 1 Ua-.netstandard 2024-10-23 5.3 Medium
An issue was discovered in OPC Foundation OPCFoundation/UA-.NETStandard through 1.5.374.78. A remote attacker can send requests with invalid credentials and cause the server performance to degrade gradually.