opcfoundation

ua-.netstandard

6 known vulnerabilities · sorted by CVSS score

CVE-2023-27321

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.

opcfoundation / ua-.netstandard

Network

Published May 7, 2024

CVE-2019-19135

HIGH7.4

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.

opcfoundation / netstandard.opc.ua+1

Network

Published Mar 16, 2020

CVE-2023-31048

MEDIUM5.3

The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely.

opcfoundation / ua-.netstandard

Network

Published Dec 12, 2023

CVE-2018-7559

MEDIUM5.3

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.

opcfoundation / ua-.net-legacy+1

Network

Published Jun 13, 2018

CVE-2018-12087

MEDIUM5.3

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.

opcfoundation / ua-.net-legacy+1

Physical

Published Oct 3, 2018

CVE-2020-29457

MEDIUM4.4

A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.

opcfoundation / ua-.netstandard

Local

Published Feb 16, 2021