CVE-2026-2364

CVE-2026-2364 affects the CODESYS Installer (part of the CODESYS Development System). A TOCTOU race condition in the installer allows a low-privileged local attacker, who can trigger a self-update prompt or start an installation, to obtain elevated rights. The CVSS v3.1 base metrics indicate loca...

CVE-2026-2364 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...

CVE-2026-2364

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...

CVE-2026-2364 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...

CODESYS Development System 安全漏洞

CODESYS Development System is a set of programming tools developed by the German company CODESYS, used in the fields of industrial controllers and automation technology. There is a security vulnerability in the CODESYS Development System, which stems from a TOCTOU vulnerability present in the...

PT-2026-24180

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...

CODESYS in Festo Automation Suite

SUMMARY Starting with Festo Automation Suite FAS version 2.8.0.138, the suite is delivered only with a connector to Codesys, rather than including Codesys directly. Prior to this version, Codesys was bundled within the FAS installation. From version 2.8.0.138 onwards, customers are required to...

CVE-2021-33486

All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions...

CVE-2021-33485

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow...

CVE-2019-18858

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow...

CVE-2020-7052

CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition...

CVE-2020-12068

An issue was discovered in CODESYS Development System before 3.5.16.0. CODESYS WebVisu and CODESYS Remote TargetVisu are susceptible to privilege escalation...

CVE-2020-12069

In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device...

CVE-2024-41969

A low privileged remote attacker may modify the configuration of the CODESYS V3 service through a missing authentication vulnerability which could lead to full system access and/or DoS...

CVE-2025-1468

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...

The vulnerability of PLC NLcon-CE-485-C arises from insufficient validation of input data during the processing of the 0xcccc packet in Codesys v2. This allows a perpetrator to trigger a failure in the operation of the Codesys v2 execution environment.

The vulnerability of PLC NLcon-CE-485-C is related to insufficient validation of input data during the processing of the 0xcccc packet in Codesys v2. Exploiting this vulnerability can allow an attacker to cause a failure in the operation of the Codesys v2 execution environment...

CVE-2025-41739

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...

CVE-2025-41700

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...

CVE-2025-41738

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...

EUVD-2025-199976

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...