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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.

Published: 2025-12-01T10:02:33.407Z
Updated: 2025-12-01T14:00:28.509Z

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.

Published: 2025-08-04T08:04:34.981Z
Updated: 2025-08-04T16:32:30.773Z

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 available, only unencrypted communication is possible if the certificates are deleted.

Published: 2025-08-04T08:04:04.597Z
Updated: 2025-08-04T16:35:32.484Z

CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

Published: 2025-08-04T08:03:26.511Z
Updated: 2025-08-04T11:52:37.949Z

An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.

Published: 2024-09-25T08:04:23.196Z
Updated: 2024-09-25T14:02:28.368Z

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.

Published: 2024-06-04T08:54:06.522Z
Updated: 2024-08-01T20:55:10.389Z

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.

Published: 2023-12-05T14:29:25.649Z
Updated: 2024-08-02T08:28:21.783Z

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

Published: 2023-08-03T11:06:56.079Z
Updated: 2024-10-11T18:09:05.823Z

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

Published: 2023-08-03T11:06:36.112Z
Updated: 2024-10-11T18:09:20.780Z

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.

Published: 2023-08-03T11:06:17.884Z
Updated: 2024-10-09T20:52:16.817Z

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.

Published: 2023-08-03T11:05:52.986Z
Updated: 2024-10-09T20:52:36.722Z

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.

Published: 2023-08-03T11:05:33.660Z
Updated: 2024-10-09T20:52:51.974Z

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.

Published: 2023-08-03T11:05:09.750Z
Updated: 2024-10-11T18:09:34.979Z

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.

Published: 2023-08-03T11:04:39.061Z
Updated: 2024-10-11T18:10:16.403Z

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.

Published: 2023-08-03T11:04:04.128Z
Updated: 2024-10-11T18:10:33.714Z

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.

Published: 2023-08-03T11:03:37.457Z
Updated: 2024-10-11T18:10:51.431Z

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.

Published: 2023-08-03T11:03:09.222Z
Updated: 2024-10-11T18:11:18.756Z

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

Published: 2023-08-03T11:02:33.725Z
Updated: 2024-10-11T18:12:01.720Z

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

Published: 2023-08-03T11:02:02.224Z
Updated: 2024-10-11T18:12:26.294Z

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

Published: 2023-08-03T11:01:10.534Z
Updated: 2024-10-11T18:12:55.550Z

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

Published: 2023-08-03T11:00:33.624Z
Updated: 2024-10-11T18:14:28.818Z

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

Published: 2023-08-03T10:59:28.961Z
Updated: 2024-10-11T18:14:47.934Z

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.

Published: 2023-03-23T11:15:37.014Z
Updated: 2026-05-29T14:08:13.754Z

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.

Published: 2023-08-03T12:39:44.002Z
Updated: 2026-05-29T14:06:35.326Z

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.

Published: 2023-05-15T10:03:58.680Z
Updated: 2025-03-05T18:59:25.695Z

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.

Published: 2023-05-15T10:01:09.224Z
Updated: 2025-03-05T18:59:32.783Z

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.

Published: 2023-05-15T09:59:52.803Z
Updated: 2025-01-23T19:19:22.826Z

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.

Published: 2023-05-15T09:58:21.588Z
Updated: 2025-03-05T18:59:40.115Z

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.

Published: 2023-05-15T09:57:37.177Z
Updated: 2025-03-05T18:59:49.436Z

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.

Published: 2023-05-15T09:56:43.518Z
Updated: 2025-03-05T18:59:57.472Z

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.

Published: 2023-05-15T09:54:41.625Z
Updated: 2025-03-05T19:00:07.443Z

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.

Published: 2023-05-15T09:49:04.949Z
Updated: 2025-03-05T19:00:14.509Z

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.

Published: 2023-05-15T09:47:18.175Z
Updated: 2025-03-05T19:00:21.424Z

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.

Published: 2023-05-15T09:46:29.134Z
Updated: 2025-03-05T19:00:27.725Z

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.

Published: 2023-05-15T09:44:53.440Z
Updated: 2025-03-05T19:00:34.790Z

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.

Published: 2023-05-15T09:42:48.212Z
Updated: 2025-03-05T19:00:42.862Z

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.

Published: 2023-05-15T09:41:51.613Z
Updated: 2025-03-05T19:00:50.181Z

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.

Published: 2023-05-15T09:40:44.538Z
Updated: 2025-03-05T19:00:59.205Z

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.

Published: 2023-05-15T09:33:41.697Z
Updated: 2025-03-05T19:01:07.355Z

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.

Published: 2023-05-15T09:30:22.173Z
Updated: 2025-03-05T19:01:14.095Z

In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.

Published: 2022-07-11T10:40:43.935Z
Updated: 2024-09-16T23:05:31.037Z

In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.

Published: 2022-07-11T10:40:38.913Z
Updated: 2024-09-16T16:48:31.565Z

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.

Published: 2022-04-07T18:21:23.764Z
Updated: 2024-09-17T03:22:45.345Z

A bug in CmpUserMgr component can lead to only partially applied security policies. This can result in enabled, anonymous access to components part of the applied security policy.

Published: 2022-04-07T18:21:21.950Z
Updated: 2024-09-17T02:11:34.421Z

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.

Published: 2022-04-07T18:21:20.091Z
Updated: 2024-09-16T22:16:04.923Z

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.

Published: 2022-04-07T18:21:16.280Z
Updated: 2024-09-16T17:59:22.215Z

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.

Published: 2022-04-07T18:21:14.309Z
Updated: 2024-09-17T03:03:50.086Z

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

Published: 2022-04-07T18:21:12.792Z
Updated: 2024-09-17T04:29:14.122Z

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

Published: 2023-05-15T09:27:38.793Z
Updated: 2025-01-23T19:24:35.687Z

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.

Published: 2021-05-03T13:56:06.000Z
Updated: 2024-08-03T22:02:51.582Z

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

Published: 2021-05-03T13:17:03.000Z
Updated: 2026-05-29T14:01:18.048Z

An issue was discovered in 3S-Smart CODESYS V3 products. The application may utilize non-TLS based encryption, which results in user credentials being insufficiently protected during transport. All variants of the following CODESYS V3 products in all versions containing the CmpUserMgr component are affected regardless of the CPU type or operating system: CODESYS Control for BeagleBone, CODESYS Control for emPC-A/iMX6, CODESYS Control for IOT2000, CODESYS Control for Linux, CODESYS Control for PFC100, CODESYS Control for PFC200, CODESYS Control for Raspberry Pi, CODESYS Control RTE V3, CODESYS Control RTE V3 (for Beckhoff CX), CODESYS Control Win V3 (also part of the CODESYS Development System setup), CODESYS V3 Simulation Runtime (part of the CODESYS Development System), CODESYS Control V3 Runtime System Toolkit, CODESYS HMI V3.

Published: 2019-08-15T16:08:31.000Z
Updated: 2024-08-04T21:31:37.591Z

An issue was discovered in 3S-Smart CODESYS V3 products. A crafted communication request may cause uncontrolled memory allocations in the affected CODESYS products and may result in a denial-of-service condition. All variants of the following CODESYS V3 products in all versions prior to v3.5.14.20 that contain the CmpGateway component are affected, regardless of the CPU type or operating system: CODESYS Control for BeagleBone, CODESYS Control for emPC-A/iMX6, CODESYS Control for IOT2000, CODESYS Control for Linux, CODESYS Control for PFC100, CODESYS Control for PFC200, CODESYS Control for Raspberry Pi, CODESYS Control V3 Runtime System Toolkit, CODESYS Gateway V3, CODESYS V3 Development System.

Published: 2019-08-15T17:47:31.000Z
Updated: 2024-08-04T21:31:37.596Z

An issue was discovered in 3S-Smart CODESYS V3 products. The CODESYS Gateway does not correctly verify the ownership of a communication channel. All variants of the following CODESYS V3 products in all versions prior to v3.5.14.20 that contain the CmpGateway component are affected, regardless of the CPU type or operating system: CODESYS Control for BeagleBone, CODESYS Control for emPC-A/iMX6, CODESYS Control for IOT2000, CODESYS Control for Linux, CODESYS Control for PFC100, CODESYS Control for PFC200, CODESYS Control for Raspberry Pi, CODESYS Control V3 Runtime System Toolkit, CODESYS Gateway V3, CODESYS V3 Development System.

Published: 2019-08-15T17:44:42.000Z
Updated: 2024-08-04T21:31:37.693Z

Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.

Published: 2019-02-19T21:00:00.000Z
Updated: 2024-09-16T20:37:39.329Z

Use of Insufficiently Random Values exists in CODESYS V3 products versions prior V3.5.14.0.

Published: 2019-02-19T21:00:00.000Z
Updated: 2024-09-16T18:39:11.508Z

In 3S-Smart Software Solutions GmbH CODESYS Control V3 products prior to version 3.5.14.0, user access management and communication encryption is not enabled by default, which could allow an attacker access to the device and sensitive information, including user credentials.

Published: 2019-01-29T16:00:00.000Z
Updated: 2024-09-17T02:32:49.885Z