Opcfoundation
Don't miss out!
Thousands of developers use stack.watch to stay informed.Get an email whenever new security vulnerabilities are reported in any Opcfoundation product.
RSS Feeds for Opcfoundation security vulnerabilities
Create a CVE RSS feed including security vulnerabilities found in Opcfoundation products with stack.watch. Just hit watch, then grab your custom RSS feed url.
Products by Opcfoundation Sorted by Most Security Vulnerabilities since 2018
By the Year
In 2026 there have been 0 vulnerabilities in Opcfoundation. Opcfoundation did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 1 | 0.00 |
| 2023 | 2 | 6.40 |
| 2022 | 9 | 7.42 |
| 2021 | 3 | 6.47 |
| 2020 | 2 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 4 | 7.00 |
It may take a day or so for new Opcfoundation vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Opcfoundation Security Vulnerabilities
| CVE | Date | Vulnerability | Products |
|---|---|---|---|
| CVE-2023-27321 | May 07, 2024 |
OPC Foundation .NET Standard ConditionRefresh Resource Exhaustion DoSOPC 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. |
Ua Netstandard
|
| CVE-2023-31048 | Dec 12, 2023 |
OPC UA .NET Std Ref Server <1.4.371.86 - Remote Sensitive Data LeakThe OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely. |
Ua Netstandard
|
| CVE-2023-32787 | May 15, 2023 |
DoS via Uncontrolled Resource Consumption in OPC UA Legacy Java Stack v<6f176f2The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications. |
Ua Java Legacy
|
| CVE-2022-44725 | Nov 17, 2022 |
OPC LDS < 1.04.403.478 Hardcoded Path Allows Privilege AbuseOPC Foundation Local Discovery Server (LDS) through 1.04.403.478 uses a hard-coded file path to a configuration file. This allows a normal user to create a malicious file that is loaded by LDS (running as a high-privilege user). |
Local Discovery Server
|
| CVE-2022-33916 | Aug 23, 2022 |
OPC UA .NET Standard Reference Server 1.04.368 Remote RCE Exposes Sensitive DataOPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information. |
Ua Net Standard Stack
|
| CVE-2022-29863 | Jun 16, 2022 |
OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted messageOPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation. |
Ua Net Standard Stack
|
| CVE-2022-29864 | Jun 16, 2022 |
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messagesOPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages that trigger Uncontrolled Resource Consumption. |
Ua Net Standard Stack
|
| CVE-2022-29866 | Jun 16, 2022 |
OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted requestOPC UA .NET Standard Stack 1.04.368 allows a remote attacker to exhaust the memory resources of a server via a crafted request that triggers Uncontrolled Resource Consumption. |
Ua Net Standard Stack
|
| CVE-2022-29862 | Jun 16, 2022 |
An infinite loop in OPC UA .NET Standard Stack 1.04.368An infinite loop in OPC UA .NET Standard Stack 1.04.368 allows a remote attackers to cause the application to hang via a crafted message. |
Ua Net Standard Stack
|
| CVE-2022-29865 | Jun 16, 2022 |
OPC UA .NET Standard StackOPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials. |
Ua Net Standard Stack
|
| CVE-2022-30551 | May 20, 2022 |
OPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing messages by sending crafted messagesOPC UA Legacy Java Stack 2022-04-01 allows a remote attacker to cause a server to stop processing messages by sending crafted messages that exhaust available resources. |
Ua Java
|
| CVE-2021-45117 | Mar 21, 2022 |
The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error casesThe OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference. |
Ua Nodeset
|
| CVE-2021-40142 | Aug 27, 2021 |
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messagesIn OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer. |
Local Discover Server
|
| CVE-2021-27432 | May 20, 2021 |
OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which mayOPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow. |
Ua Net Legacy
Ua Net Standard Stack
|
| CVE-2020-29457 | Feb 16, 2021 |
A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 couldA Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection. |
Ua Netstandard
|
| CVE-2020-8867 | Apr 22, 2020 |
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of sessions. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to create a denial-of-service condition against the application. Was ZDI-CAN-10295. |
Unified Architecture Net Standard
|
| CVE-2019-19135 | Mar 16, 2020 |
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, whichIn 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. |
Netstandard Opc Ua
Ua Netstandard
|
| CVE-2018-12087 | Oct 03, 2018 |
Failure to validate certificates in OPC Foundation UA Client Applications communicating without securityFailure 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. |
Ua Net Legacy
Ua Netstandard
|
| CVE-2018-12585 | Sep 14, 2018 |
An XXE vulnerability in the OPC UA Java and .NET Legacy Stack canAn XXE vulnerability in the OPC UA Java and .NET Legacy Stack can allow remote attackers to trigger a denial of service. |
Ua Net Legacy
Ua Java
|
| CVE-2018-12086 | Sep 14, 2018 |
Buffer overflow in OPC UA applicationsBuffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests. |
Unified Architecture Net Legacy
Unified Architecture Java
Unified Architecture Net Standard
And others... |
| CVE-2018-7559 | Jun 13, 2018 |
An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12An 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. |
Ua Net Legacy
Ua Netstandard
|