Codesys Control For Plcnext Sl

CODESYS Control Runtime: Remote Pointer Type Error DoS
CVE-2025-41738 7.5 - High - December 01, 2025

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.

Object Type Confusion

Remote OOB Read in CODESYS Control via Socket Race
CVE-2025-41739 5.9 - Medium - December 01, 2025

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.

Out-of-bounds Read

Remote Command Injection in File System Libraries (CVE-2023-6357)
CVE-2023-6357 8.8 - High - December 05, 2023

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.

Shell injection

CODESYS Control Buffer Overflow: Remote Auth Escalation to Full Device Access
CVE-2022-4046 8.8 - High - August 03, 2023

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.

Buffer Overflow

Codesys CmpAppBP Heap Buffer Overwrite via Authenticated Remote Requests
CVE-2023-37557 6.5 - Medium - August 03, 2023

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.

Memory Corruption

Codesys CmpApp internal address read CVE-2023-37550
CVE-2023-37550 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37549.

Codesys CmpApp DoS via crafted net req causing invalid address read
CVE-2023-37549 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and CVE-2023-37550

Codesys CmpApp Network Request CVE-2023-37548: Denial-of-Service
CVE-2023-37548 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37549 and CVE-2023-37550

Codesys CmpApp DoS via Crafted Network Requests (CVE-2023-37547)
CVE-2023-37547 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37548, CVE-2023-37549 and CVE-2023-37550

Codesys CmpApp DoS via Invalid Address Read
CVE-2023-37546 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37547, CVE-2023-37548, CVE-2023-37549 and CVE-2023-37550

Codesys CmpAppForce DoS via Invalid Mem Read (CVE-2023-37559)
CVE-2023-37559 6.5 - Medium - August 03, 2023

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted network communication requests with inconsistent content can cause the CmpAppForce component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37558

Codesys CmpAppForce BUG: Authenticated DoS via crafted network requests
CVE-2023-37558 6.5 - Medium - August 03, 2023

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted network communication requests with inconsistent content can cause the CmpAppForce component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37559

Codesys CmpAppBP DoS via Crafted Network Requests
CVE-2023-37556 6.5 - Medium - August 03, 2023

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 and CVE-2023-37555.

Codesys CmpAppBP Internal Read Vulnerability Denial of Service
CVE-2023-37555 6.5 - Medium - August 03, 2023

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 and CVE-2023-37556.

Codesys CmpAppBP DoS via crafted network request
CVE-2023-37554 6.5 - Medium - August 03, 2023

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37555 and CVE-2023-37556.

Codesys CmpAppBP Invalid Address Read Enables DoS
CVE-2023-37553 6.5 - Medium - August 03, 2023

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37554, CVE-2023-37555 and CVE-2023-37556.

Codesys CmpAppBP Invalid Read DoS
CVE-2023-37552 6.5 - Medium - August 03, 2023

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37553, CVE-2023-37554, CVE-2023-37555 and CVE-2023-37556.

CODESYS Runtime: Unrestricted File Download via CmpApp (CVE-2023-37551)
CVE-2023-37551 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specially crafted network communication requests can utilize the CmpApp component to download files with any file extensions to the controller. In contrast to the regular file download via CmpFileTransfer, no filtering of certain file types is performed here. As a result, the integrity of the CODESYS control runtime system may be compromised by the files loaded onto the controller.

Files or Directories Accessible to External Parties

Codesys CmpApp invalid read leading to DoS via crafted network requests
CVE-2023-37545 6.5 - Medium - August 03, 2023

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37546, CVE-2023-37547, CVE-2023-37548, CVE-2023-37549, CVE-2023-37550

CODESYS DS buffer overflow via improper op restriction
CVE-2022-47393 6.5 - Medium - May 15, 2023

An authenticated, remote attacker may use a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple versions of multiple CODESYS products to force a denial-of-service situation.

Buffer Overflow

Denial-of-service via Improper Input Validation in CODESYS CmpApp Components
CVE-2022-47392 6.5 - Medium - May 15, 2023

An authenticated, remote attacker may use a improper input validation vulnerability in the CmpApp/CmpAppBP/CmpAppForce Components of multiple CODESYS products in multiple versions to read from an invalid address which can lead to a denial-of-service condition.

Improper Input Validation

CODESYS Input Validation Flaw Allows Remote DoS via Invalid Address Reads
CVE-2022-47391 7.5 - High - May 15, 2023

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.

Improper Input Validation

CODESYS V3 Input Validation Authenticated Remote Login Blocking
CVE-2022-22508 4.3 - Medium - May 15, 2023

Improper Input Validation vulnerability in multiple CODESYS V3 products allows an authenticated remote attacker to block consecutive logins of a specific type.

Improper Input Validation

Input Validation Flaw in CODESYS Enables Authenticated Remote DoS
CVE-2022-47378 6.5 - Medium - May 15, 2023

Multiple CODESYS products in multiple versions are prone to a improper input validation vulnerability. An authenticated remote attacker may craft specific requests that use the vulnerability leading to a denial-of-service condition.

Improper Input Validation

CODESYS CmpTraceMgr Stack OOB Write Enables Remote Code Execution
CVE-2022-47390 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS CmpTraceMgr OOB Stack Write DoS/Remote Code Exec
CVE-2022-47389 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS CmpTraceMgr OOB Stack Write RCE
CVE-2022-47388 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

Stack OOB Write in CODESYS CmpTraceMgr Enables RCE
CVE-2022-47387 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS CmpTraceMgr OOB Stack Write Remote Code Exec
CVE-2022-47386 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CVE-2022-47385: CODESYS CmpAppForce Stack OOB Write RCE/DoS
CVE-2022-47385 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS CmpTraceMgr Stack OOB Write RCE
CVE-2022-47384 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

Stack OOB Write in CODESYS CmpTraceMgr RCE / DoS
CVE-2022-47383 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS CmpTraceMgr OOB stack write allows RCE
CVE-2022-47382 8.8 - High - May 15, 2023

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 overwriting, or remote code execution.

Memory Corruption

CODESYS stack OOB write leads to RCE and DoS
CVE-2022-47381 8.8 - High - May 15, 2023

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 execution.

Memory Corruption

CODESYS OOB Stack Write CVE-2022-47380 Enables RCE
CVE-2022-47380 8.8 - High - May 15, 2023

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 execution.

Memory Corruption

CODESYS OOB Write in Products RCE/DoS
CVE-2022-47379 8.8 - High - May 15, 2023

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.

Memory Corruption

CODESYS v3 Remote File Access & DoS via Low-Privileged User
CVE-2022-4224 8.8 - High - March 23, 2023

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.

Insecure Default Initialization of Resource

An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products
CVE-2022-22513 6.5 - Medium - April 07, 2022

An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash.

NULL Pointer Dereference

A remote, unauthenticated attacker
CVE-2022-22519 7.5 - High - April 07, 2022

A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.

Buffer Over-read

An unauthenticated, remote attacker
CVE-2022-22517 7.5 - High - April 07, 2022

An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.

Use of Insufficiently Random Values

A remote
CVE-2022-22515 8.1 - High - April 07, 2022

A remote, authenticated attacker could utilize the control program of the CODESYS Control runtime system to use the vulnerability in order to read and modify the configuration file(s) of the affected products.

Exposure of Resource to Wrong Sphere

An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request
CVE-2022-22514 7.1 - High - April 07, 2022

An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request. The accesses can subsequently lead to local overwriting of memory in the CmpTraceMgr, whereby the attacker can neither gain the values read internally nor control the values to be written. If invalid memory is accessed, this results in a crash.

Untrusted Pointer Dereference

CODESYS Control Runtime system before 3.5.17.0 has improper input validation
CVE-2021-29242 7.3 - High - May 03, 2021

CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.

Improper Input Validation