Opcfoundation

CVE-2024-42513 Feb 10, 19:15 NuGet MEDIUM PATCH This Month

Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when using HTTPS endpoints. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2024-42512 Feb 10, 19:15 NuGet HIGH PATCH This Week

Vulnerability in the OPC UA .NET Standard Stack before 1.5.374.158 allows an unauthorized attacker to bypass application authentication when the deprecated Basic128Rsa15 security policy is enabled. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2023-31048 Dec 12, 17:15 NuGet MEDIUM PATCH This Month

The OPC UA .NET Standard Reference Server before 1.4.371.86. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2023-32787 May 15, 15:15 HIGH PATCH This Week

The 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CVE-2022-44725 Nov 17, 22:15 HIGH PATCH This Week

OPC Foundation Local Discovery Server (LDS) through 1.04.403.478 uses a hard-coded file path to a configuration file. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.

CVE-2022-33916 Aug 23, 01:15 NuGet HIGH PATCH This Week

OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CVE-2022-29866 Jun 16, 18:15 NuGet HIGH PATCH This Week

OPC 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CVE-2022-29864 Jun 16, 18:15 NuGet HIGH PATCH This Week

OPC 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CVE-2022-29863 Jun 16, 18:15 NuGet HIGH PATCH This Week

OPC UA .NET Standard Stack 1.04.368 allows remote attacker to cause a crash via a crafted message that triggers excessive memory allocation. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.

CVE-2022-29865 Jun 16, 17:15 NuGet HIGH PATCH This Week

OPC UA .NET Standard Stack allows a remote attacker to bypass the application authentication check via crafted fake credentials. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

CVE-2022-29862 Jun 16, 17:15 NuGet HIGH PATCH This Week

An 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CVE-2022-30551 May 20, 12:15 HIGH PATCH This Week

OPC 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

CVE-2021-40142 Aug 27, 07:15 HIGH PATCH This Week

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 messages that lead to Access of a Memory Location. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

CVE-2021-27432 May 20, 16:15 HIGH This Week

OPC 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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2020-8867 Apr 22, 21:15 NuGet HIGH PATCH This Week

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2018-12087 Oct 03, 18:29 NuGet MEDIUM PATCH This Month

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. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

CVE-2018-12585 Sep 14, 21:29 HIGH This Week

An XXE vulnerability in the OPC UA Java and .NET Legacy Stack can allow remote attackers to trigger a denial of service. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2018-12086 Sep 14, 21:29 NuGet HIGH PATCH This Week

Buffer overflow in OPC UA applications allows remote attackers to trigger a stack overflow with carefully structured requests. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2018-7559 Jun 13, 18:29 NuGet MEDIUM PATCH This Month

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable.