Total
23 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-30187 | 2 Codesys, Wago | 55 Runtime Toolkit, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 4.6 MEDIUM | 5.3 MEDIUM |
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CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
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| CVE-2021-30188 | 2 Codesys, Wago | 55 V2 Runtime System Sp, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 7.5 HIGH | 9.8 CRITICAL |
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CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
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| CVE-2021-30189 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 7.5 HIGH | 9.8 CRITICAL |
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CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
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| CVE-2021-30190 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 7.5 HIGH | 9.8 CRITICAL |
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CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
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| CVE-2021-30191 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.
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| CVE-2021-30192 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 7.5 HIGH | 9.8 CRITICAL |
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CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
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| CVE-2021-30193 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 7.5 HIGH | 9.8 CRITICAL |
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CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
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| CVE-2021-30194 | 2 Codesys, Wago | 55 V2 Web Server, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 6.4 MEDIUM | 9.1 CRITICAL |
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CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
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| CVE-2021-30195 | 2 Codesys, Wago | 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
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| CVE-2021-34583 | 2 Codesys, Wago | 55 Codesys, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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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.
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| CVE-2021-34584 | 2 Codesys, Wago | 55 Codesys, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 6.4 MEDIUM | 9.1 CRITICAL |
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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.
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| CVE-2021-34585 | 2 Codesys, Wago | 55 Codesys, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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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.
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| CVE-2021-34586 | 2 Codesys, Wago | 55 Codesys, 750-8202, 750-8202 Firmware and 52 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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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.
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| CVE-2021-34595 | 2 Codesys, Wago | 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more | 2025-08-15 | 5.5 MEDIUM | 8.1 HIGH |
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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.
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| CVE-2021-34596 | 2 Codesys, Wago | 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more | 2025-08-15 | 4.0 MEDIUM | 6.5 MEDIUM |
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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.
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| CVE-2021-21000 | 1 Wago | 54 750-8202, 750-8202 Firmware, 750-8203 and 51 more | 2025-08-15 | 5.0 MEDIUM | 5.3 MEDIUM |
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On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.
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| CVE-2021-21001 | 1 Wago | 54 750-8202, 750-8202 Firmware, 750-8203 and 51 more | 2025-08-15 | 4.0 MEDIUM | 9.1 CRITICAL |
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On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.
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| CVE-2021-30186 | 2 Codesys, Wago | 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
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CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
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| CVE-2018-16210 | 1 Wago | 28 750-352, 750-352 Firmware, 750-362 and 25 more | 2025-06-13 | 4.3 MEDIUM | 6.1 MEDIUM |
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WAGO 750-88X and WAGO 750-89X Ethernet Controller devices, versions 01.09.18(13) and before, have XSS in the SNMP configuration via the webserv/cplcfg/snmp.ssi SNMP_DESC or SNMP_LOC_SNMP_CONT field.
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| CVE-2023-1620 | 1 Wago | 152 750-331, 750-331 Firmware, 750-8202 and 149 more | 2024-11-21 | N/A | 4.9 MEDIUM |
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Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
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| CVE-2023-1619 | 1 Wago | 152 750-331, 750-331 Firmware, 750-8202 and 149 more | 2024-11-21 | N/A | 4.9 MEDIUM |
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Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a malformed packet.
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| CVE-2023-1150 | 1 Wago | 36 750-362, 750-362\/000-001, 750-362\/000-001 Firmware and 33 more | 2024-11-21 | N/A | 7.5 HIGH |
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Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated remote attacker to DoS the MODBUS server with specially crafted packets.
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| CVE-2020-12506 | 1 Wago | 14 750-362, 750-362 Firmware, 750-363 and 11 more | 2024-11-21 | 6.4 MEDIUM | 9.1 CRITICAL |
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Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
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