Codesys Control Rte Sl (for Beckhoff Cx) vulnerabilities

28 CVEs affecting Codesys Control Rte Sl (for Beckhoff Cx), 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-41738, published 2025-12-01.

More from Codesys.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2018-20026, published 2019-02-19. High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days. Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
• CVE-2018-20025, published 2019-02-19. High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days. Use of Insufficiently Random Values exists in CODESYS V3 products versions prior V3.5.14.0.
• CVE-2022-22519, published 2022-04-07. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. 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.
• CVE-2022-22517, published 2022-04-07. High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days. 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…
• CVE-2022-22515, published 2022-04-07. High severity, CVSS 8.1. EPSS: 1.1% chance of exploitation in the next 30 days. 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…
• CVE-2022-22513, published 2022-04-07. Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days. An authenticated remote attacker can cause a null pointer dereference in the CmpSettings component of the affected CODESYS products which leads to a crash.
• CVE-2022-30792, published 2022-07-11. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. 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…
• CVE-2022-30791, published 2022-07-11. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. 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.
• CVE-2022-22514, published 2022-04-07. High severity, CVSS 7.1. EPSS: 0.9% chance of exploitation in the next 30 days. 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…
• CVE-2022-4224, published 2023-03-23. High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days. 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.

Latest

• CVE-2025-41738, published 2025-12-01. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. 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…
• CVE-2022-4046, published 2023-08-03. High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days. 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.
• CVE-2023-37559, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37558, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37557, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37556, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37555, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37554, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37553, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
• CVE-2023-37552, published 2023-08-03. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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…