← Back

Ua .netstandard

ua-.netstandard

Vendor: Opcfoundation • 6 CVEs

CVEs (6)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-2023-27321
1Opcfoundation
1Ua .netstandard
Aug 14, 2025
May 7, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Fo...Show more
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.Show less
CVE-2023-31048
1Opcfoundation
1Ua .netstandard
Nov 21, 2024
Dec 12, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
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
1Opcfoundation
1Ua .netstandard
Nov 21, 2024
Feb 16, 2021
N/A· v4
4.4 MEDIUM· v3
2.1 LOW· v2
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
1Opcfoundation
2Netstandard.opc.ua
Ua .netstandard
Nov 21, 2024
Mar 16, 2020
N/A· v4
7.4 HIGH· v3
5.8 MEDIUM· v2
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 encry...Show more
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.Show less
CVE-2018-12087
1Opcfoundation
2Ua .net Legacy
Ua .netstandard
Nov 21, 2024
Oct 3, 2018
N/A· v4
5.3 MEDIUM· v3
2.1 LOW· v2
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-2018-7559
1Opcfoundation
2Ua .net Legacy
Ua .netstandard
Nov 21, 2024
Jun 13, 2018
N/A· v4
5.3 MEDIUM· v3
3.5 LOW· v2
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...Show more
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.Show less