Codesys HMI Sl vulnerabilities

18 CVEs affecting Codesys HMI Sl, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-76992, published 2026-09-30.

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-2018-10612, published 2019-01-29. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. 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…
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-2022-31805, published 2022-06-24. High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days. In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
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-2026-76992, published 2026-09-30. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. 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…
CVE-2026-79625, published 2026-09-30. High severity, CVSS 8.1. EPSS: 0.2% chance of exploitation in the next 30 days. 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…
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-2025-41691, published 2025-08-04. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. 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…
CVE-2025-41659, published 2025-08-04. High severity, CVSS 8.3. EPSS: 0.2% chance of exploitation in the next 30 days. 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…
CVE-2023-5751, published 2024-06-04. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. 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.
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.