Filtered by vendor Codesys Subscriptions
Total 135 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-41739 2 Codesys, Linux 17 Control For Beaglebone Sl, Control For Empc-a/imx6 Sl, Control For Iot2000 Sl and 14 more 2025-12-01 5.9 Medium
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-2025-41738 1 Codesys 17 Control For Beaglebone Sl, Control For Empc-a/imx6 Sl, Control For Iot2000 Sl and 14 more 2025-12-01 7.5 High
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.
CVE-2025-41700 1 Codesys 1 Development System 2025-12-01 7.8 High
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-2021-30187 2 Codesys, Wago 55 Runtime Toolkit, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 5.3 Medium
CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
CVE-2021-30188 2 Codesys, Wago 55 V2 Runtime System Sp, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.8 Critical
CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
CVE-2021-30189 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.8 Critical
CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
CVE-2021-30190 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.8 Critical
CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
CVE-2021-30191 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 7.5 High
CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.
CVE-2021-30192 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.8 Critical
CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
CVE-2021-30193 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.8 Critical
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
CVE-2021-30194 2 Codesys, Wago 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.1 Critical
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
CVE-2021-30195 2 Codesys, Wago 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more 2025-08-15 7.5 High
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
CVE-2021-34583 2 Codesys, Wago 55 Codesys, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 7.5 High
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-2021-34584 2 Codesys, Wago 55 Codesys, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 9.1 Critical
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-2021-34585 2 Codesys, Wago 55 Codesys, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 7.5 High
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.
CVE-2021-34586 2 Codesys, Wago 55 Codesys, 750-8202, 750-8202 Firmware and 52 more 2025-08-15 7.5 High
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-2021-34593 2 Codesys, Wago 28 Plcwinnt, Runtime Toolkit, 750-8202 and 25 more 2025-08-15 7.5 High
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.
CVE-2021-34595 2 Codesys, Wago 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more 2025-08-15 8.1 High
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.
CVE-2021-34596 2 Codesys, Wago 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more 2025-08-15 6.5 Medium
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-2021-30186 2 Codesys, Wago 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more 2025-08-15 7.5 High
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.