CVE-2021-27432

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...

CVE-2021-27432

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...

CVE-2021-27432

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...

Stack overflow

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...

CVE-2021-27432

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...

CVE-2021-27432

OPC Foundation UA .NET Standard and OPC UA .NET Legacy are affected by CVE-2021-27432 due to an uncontrolled recursion that can trigger a stack overflow. Affected products are OPC UA .NET Standard prior to 1.4.365.48 and OPC UA .NET Legacy. The vulnerability enables remote exploitation (network v...

CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

Stack overflow

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27434

CVE-2021-27434 affects Unified Automation .NET based OPC UA Client/Server SDK Bundle (versions up to 3.0.7 on .NET Framework 4.5, 4.0, 3.5). Root cause is an uncontrolled recursion that may trigger a stack overflow. Impact, per CVSS3.1: high confidentiality impact with no functional integrity or ...

PTC OPC UA Server Multiple vulnerabilities

Binary data ptcopcuamultivulns.nbin...

OPC UA opc.tcp Detection

Binary data opcuatcpdetect.nbin...

Unspecified Vulnerability in Siemens SIMATIC OPC UA

The Siemens SIMATIC CP443-1 OPC UA9 is a communication processor from Siemens, Germany. A security vulnerability exists in OPC UA. The vulnerability stems from the program's susceptibility to uncontrolled recursion, which can be exploited by an attacker to trigger a stack overflow...

Siemens SIMATIC OPC UA Information Disclosure Vulnerability

The Siemens SIMATIC CP443-1 OPC UA9 is a communication processor from Siemens, Germany. An information disclosure vulnerability exists in OPC UA. An attacker could exploit this vulnerability to obtain sensitive information...

CVE-2020-12526

TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co. KG are vulnerable to denial of service attacks. The attacker needs to send several specifically crafted requests to the running OPC UA server. After some of...

Design/Logic Flaw

TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co. KG are vulnerable to denial of service attacks. The attacker needs to send several specifically crafted requests to the running OPC UA server. After some of...

CVE-2020-12526

Affected software: Beckhoff TwinCAT OPC UA Server (versions up to 2.3.0.12) and IPC Diagnostics UA Server (versions up to 3.1.0.1). Issue: denial-of-service vulnerability where several specially crafted requests to the running OPC UA server can cause the server to stop responding to any client, w...

CVE-2020-12526 BECKHOFF: DoS-Vulnerability for TwinCAT OPC UA Server and IPC Diagnostics UA Server

TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co. KG are vulnerable to denial of service attacks. The attacker needs to send several specifically crafted requests to the running OPC UA server. After some of...

Siemens SIMATIC OPC UA 安全漏洞

The Siemens SIMATIC CP443-1 OPC UA9 is a communication processor from Siemens, Germany. A security vulnerability exists in OPC UA. The vulnerability stems from the program's susceptibility to uncontrolled recursion, which can be exploited by an attacker to trigger a stack overflow...

OPC Foundation UA Products Built with .NET Framework

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: OPC Foundation Equipment: OPC UA Servers Vulnerability: Uncontrolled Recursion 2. RISK EVALUATION Successful exploitation of this vulnerability could trigger a stack overflow. 3. TECHNICAL DETAILS 3.1...