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 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

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...

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...

CVE-2026-2364: Time-of-check Time-of-use (TOCTOU) Race Condition

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...

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 CODESYS software products, related to the improper use of standard resolutions, allows a perpetrator to gain access to confidential information.

The vulnerability of CODESYS software products is related to the incorrect use of standard resolutions. Exploiting this vulnerability can allow an attacker to access confidential information...

The vulnerability of CODESYS software lies in the incorrect assignment of permissions for critical resources, allowing attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of CODESYS software products is related to the incorrect assignment of permissions for critical resources. Exploiting this vulnerability can allow a malicious actor, operating remotely, to compromise the confidentiality, integrity, and accessibility of protected information...

The vulnerability of CODESYS software, related to the manipulation of the zero pointer, allows a intruder to trigger a service failure.

The vulnerability of CODESYS software products is related to the handling of the zero pointer. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

The vulnerability of the SysSocket library in the CODESYS Control environment allows a hacker to cause a service failure.

The vulnerability of the SysSocket library in the CODESYS Control environment is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...