Codesys

codesys

Vendor: Codesys • 13 CVEs

CVEs (13)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2025-41700 1Codesys 1Codesys Jun 17, 2026 Dec 1, 2025 N/A· v4 7.8 HIGH· v3 N/A· v2 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 c...Show more 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.Show less
CVE-2021-34596 2Codesys Wago 30750 8202 Firmware 750 8203 Firmware750 8204 Firmware+27 more Jun 17, 2026 Oct 26, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
CVE-2021-34595 2Codesys Wago 30750 8202 Firmware 750 8203 Firmware750 8204 Firmware+27 more Jun 17, 2026 Oct 26, 2021 N/A· v4 8.1 HIGH· v3 5.5 MEDIUM· v2 A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or loc...Show more A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.Show less
CVE-2021-34586 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
CVE-2021-34585 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur...Show more In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.Show less
CVE-2021-34584 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 Oct 26, 2021 N/A· v4 9.1 CRITICAL· v3 6.4 MEDIUM· v2 Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
CVE-2021-34583 2Codesys Wago 28750 8202 Firmware 750 8203 Firmware750 8204 Firmware+25 more Jun 17, 2026 Oct 26, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
CVE-2021-21869 1Codesys 1Codesys Jun 17, 2026 Aug 25, 2021 N/A· v4 7.8 HIGH· v3 6.8 MEDIUM· v2 An unsafe deserialization vulnerability exists in the Engine.plugin ProfileInformation ProfileData functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrar...Show more An unsafe deserialization vulnerability exists in the Engine.plugin ProfileInformation ProfileData functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.Show less
CVE-2021-21868 1Codesys 1Codesys Jun 17, 2026 Aug 18, 2021 N/A· v4 7.8 HIGH· v3 6.8 MEDIUM· v2 An unsafe deserialization vulnerability exists in the ObjectManager.plugin Project.get_MissingTypes() functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbit...Show more An unsafe deserialization vulnerability exists in the ObjectManager.plugin Project.get_MissingTypes() functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.Show less
CVE-2021-21867 1Codesys 1Codesys Jun 17, 2026 Aug 18, 2021 N/A· v4 7.8 HIGH· v3 6.8 MEDIUM· v2 An unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to ar...Show more An unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file 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-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