Codesys

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2021-30189 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
CVE-2021-30188 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
CVE-2021-30186 2Codesys Wago 29750 8202 Firmware 750 8203 Firmware750 8204 Firmware+26 more Jun 17, 2026 May 25, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
CVE-2021-30187 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 May 25, 2021 N/A· v4 5.3 MEDIUM· v3 4.6 MEDIUM· v2 CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
CVE-2021-29240 1Codesys 1Development System Jun 17, 2026 May 4, 2021 N/A· v4 7.8 HIGH· v3 6.8 MEDIUM· v2 The Package Manager of CODESYS Development System 3 before 3.5.17.0 does not check the validity of packages before installation and may be used to install CODESYS packages with malicious content.
CVE-2021-29242 1Codesys 22Control For Beaglebone Sl Control For Empc A/imx6 SlControl For Iot2000 Sl+19 more Jun 17, 2026 May 3, 2021 N/A· v4 7.3 HIGH· v3 7.5 HIGH· v2 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 co...Show more 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.Show less
CVE-2021-29241 1Codesys 11Control For Beaglebone Sl Control For Empc A/imx6 SlControl For Iot2000 Sl+8 more Jun 17, 2026 May 3, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).
CVE-2021-29239 1Codesys 1Development System Jun 17, 2026 May 3, 2021 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
CVE-2021-29238 1Codesys 1Automation Server Jun 17, 2026 May 3, 2021 N/A· v4 8.8 HIGH· v3 6.8 MEDIUM· v2 CODESYS Automation Server before 1.16.0 allows cross-site request forgery (CSRF).
CVE-2020-15806 1Codesys 16Control For Beaglebone Control For Empc A/imx6Control For Iot2000+13 more Jun 17, 2026 Jul 22, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation.
CVE-2020-12068 1Codesys 12Control For Beaglebone Control For Empc A/imx6Control For Iot2000+9 more Jun 17, 2026 May 14, 2020 N/A· v4 6.5 MEDIUM· v3 6.4 MEDIUM· v2 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-2020-6081 1Codesys 1Runtime Jun 17, 2026 May 7, 2020 N/A· v4 8.8 HIGH· v3 6.5 MEDIUM· v2 An exploitable code execution vulnerability exists in the PLC_Task functionality of 3S-Smart Software Solutions GmbH CODESYS Runtime 3.5.14.30. A specially crafted network request can cause remote code execution. An atta...Show more An exploitable code execution vulnerability exists in the PLC_Task functionality of 3S-Smart Software Solutions GmbH CODESYS Runtime 3.5.14.30. A specially crafted network request can cause remote code execution. An attacker can send a malicious packet to trigger this vulnerability.Show less
CVE-2019-5105 1Codesys 1Codesys Jun 17, 2026 Mar 26, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An exploitable memory corruption vulnerability exists in the Name Service Client functionality of 3S-Smart Software Solutions CODESYS GatewayService. A specially crafted packet can cause a large memcpy, resulting in an a...Show more An exploitable memory corruption vulnerability exists in the Name Service Client functionality of 3S-Smart Software Solutions CODESYS GatewayService. A specially crafted packet can cause a large memcpy, resulting in an access violation and termination of the process. An attacker can send a packet to a device running the GatewayService.exe to trigger this vulnerability. All variants of the CODESYS V3 products in all versions prior V3.5.16.10 containing the CmpRouter or CmpRouterEmbedded 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 PLCnext, 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 Control V3 Runtime System Toolkit, CODESYS V3 Embedded Target Visu Toolkit, CODESYS V3 Remote Target Visu Toolkit, CODESYS V3 Safety SIL2, CODESYS Edge Gateway V3, CODESYS Gateway V3, CODESYS HMI V3, CODESYS OPC Server V3, CODESYS PLCHandler SDK, CODESYS V3 Simulation Runtime (part of the CODESYS Development System).Show less
CVE-2020-10245 1Codesys 14Control For Beaglebone Control For Empc A/imx6Control For Iot2000+11 more Jun 17, 2026 Mar 26, 2020 N/A· v4 9.8 CRITICAL· v3 10.0 HIGH· v2 CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.
CVE-2020-7052 1Codesys 15Control For Beaglebone Control For Empc A/imx6Control For Iot2000+12 more Jun 17, 2026 Jan 24, 2020 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 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-2019-19789 1Codesys 3Plcwinnt Runtime ToolkitSp Realtime Nt Jun 17, 2026 Dec 20, 2019 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.
CVE-2019-18858 1Codesys 14Control For Beaglebone Control For Empc A/imx6Control For Iot2000+11 more Jun 17, 2026 Nov 20, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.
CVE-2019-16265 1Codesys 2Codesys Eni Server Jun 17, 2026 Oct 25, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 CODESYS V2.3 ENI server up to V3.2.2.24 has a Buffer Overflow.
CVE-2019-13538 1Codesys 1Codesys Jun 17, 2026 Sep 17, 2019 N/A· v4 8.6 HIGH· v3 6.8 MEDIUM· v2 3S-Smart Software Solutions GmbH CODESYS V3 Library Manager, all versions prior to 3.5.16.0, allows the system to display active library content without checking its validity, which may allow the contents of manipulated...Show more 3S-Smart Software Solutions GmbH CODESYS V3 Library Manager, all versions prior to 3.5.16.0, allows the system to display active library content without checking its validity, which may allow the contents of manipulated libraries to be displayed or executed. The issue also exists for source libraries, but 3S-Smart Software Solutions GmbH strongly recommends distributing compiled libraries only.Show less
CVE-2019-13542 1Codesys 10Control For Beaglebone Control For Empc A/imx6Control For Iot2000+7 more Jun 17, 2026 Sep 17, 2019 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 3S-Smart Software Solutions GmbH CODESYS V3 OPC UA Server, all versions 3.5.11.0 to 3.5.15.0, allows an attacker to send crafted requests from a trusted OPC UA client that cause a NULL pointer dereference, which may trig...Show more 3S-Smart Software Solutions GmbH CODESYS V3 OPC UA Server, all versions 3.5.11.0 to 3.5.15.0, allows an attacker to send crafted requests from a trusted OPC UA client that cause a NULL pointer dereference, which may trigger a denial-of-service condition.Show less

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