Vendor
CODESYS
104 known vulnerabilities.
Products
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High 7.5
Uncontrolled Memory Allocation in CODESYS Gateway Client
The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory cons…
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High 8.1
Improper Synchronization in Monitoring in CODESYS Control Runtime
Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacke…
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High 7.5
Out-of-bounds Write in CODESYS Control
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affect…
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High 8.1
Incorrect Authorization in CODESYS Control
The affected products insufficiently verify authorization when deleting user accounts. An authenticated, low-privileged remote user can exploit this vulnerability to delete other users, including those with higher privileges.
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High 7.8
Incorrect Default Permissions in CODESYS Development System
The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verifi…
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High 7.8
Incorrect Default Permissions in CODESYS Development System
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation …
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High 8.2
Improper resource management in CODESYS Modbus TCP Server
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
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High 8.7
Improper timeout handling in CODESYS EtherNetIP
An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
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High 7.5
CODESYS Control Audit Log Format String DoS
An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.
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High 8.8
CODESYS Control Boot Application Replacement Enables Code Execution
A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.
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High 7.3
CODESYS Installer TOCTOU Privilege Escalation
If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.
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High 7.8
CODESYS Development System - Deserialization of Untrusted Data
An unauthenticated attacker can trick a local user into executing arbitrary code by opening a deliberately manipulated CODESYS project file with a CODESYS development system. This arbitrary code is executed in the user context.
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High 7.5
CODESYS Control - Invalid type usage in visualization
An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access a resource with a pointer of wrong type, potentially leading to a denial-of-service (DoS) condition.
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High 7.5
CODESYS Control DoS via Unauthenticated NULL Pointer Dereference
An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.
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High 8.3
CODESYS Control PKI Exposure Enables Remote Certificate Access
A low-privileged attacker can remotely access the PKI folder of the CODESYS Control runtime system and thus read and write certificates and its keys. This allows sensitive data to be extracted or to accept certificates as trusted. Although all services remain…
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High 7.5
CODESYS Control V3 - OPC UA Server Authentication bypass
An unauthenticated remote attacker can gain access to sensitive information including authentication information when using CODESYS OPC UA Server with the non-default Basic128Rsa15 security policy.
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High 7.5
CODESYS: web server vulnerable to DoS
An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.
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High 7.8
CODESYS: Development system prone to DoS through exposure of resource to wrong sphere
A local attacker with low privileges can read and modify any users files and cause a DoS in the working directory of the affected products due to exposure of resource to wrong sphere.
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High 7.5
CODESYS: Incorrect calculation of buffer size can cause DoS on CODESYS OPC UA products
An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.
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High 7.8
CODESYS: Out-of-bounds write through corrupted project files
An unauthenticated local attacker may trick a user to open corrupted project files to execute arbitrary code or crash the system due to an out-of-bounds write vulnerability.
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High 8.8
OS Command Injection in multiple CODESYS products
A low-privileged remote attacker could exploit the vulnerability and inject additional system commands via file system libraries which could give the attacker full control of the device.
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High 8.8
CODESYS: Improper memory restrictions fro CODESYS Control
In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access of the device.
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High 7.3
CODESYS: Vulnerability in CODESYS Development System allows for execution of binaries
In CODESYS Development System versions from 3.5.17.0 and prior to 3.5.19.20 a vulnerability allows for execution of binaries from the current working directory in the users context .
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High 8.8
CODESYS: Missing integrity check in CODESYS Development System
In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.
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High 7.3
Codesys: Vulnerability in CODESYS Development System and CODESYS Scripting
In CODESYS Development System 3.5.9.0 to 3.5.17.0 and CODESYS Scripting 4.0.0.0 to 4.1.0.0 unsafe directory permissions would allow an attacker with local access to the workstation to place potentially harmful and disguised scripts that could be executed by l…
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High 7.5
CODESYS: Multiple products prone to Improper Input Validation
In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwr…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpAppForce Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwr…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overw…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwr…
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High 8.8
CODESYS: Multiple products prone to stack based out-of-bounds write
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code executi…
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High 8.8
CODESYS: Multiple products prone to out-of-bounds write
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code execut…
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High 8.8
CODESYS: Multiple products prone to out-of-bounds write
An authenticated, remote attacker may use a out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into memory which can lead to a denial-of-service condition, memory overwriting, or remote code execution.
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High 7.7
CODESYS V3 prone to Inadequate Encryption Stregth
Inadequate Encryption Strength in CODESYS Development System V3 versions prior to V3.5.18.40 allows an unauthenticated local attacker to access and manipulate code of the encrypted boot application.
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High 8.8
CODESYS: Exposure of Resource to Wrong Sphere in CODESYS V3
In multiple products of CODESYS v3 in multiple versions a remote low privileged user could utilize this vulnerability to read and modify system files and OS resources or DoS the device.