Total
27 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 |
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 | 7.5 HIGH | 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 | 7.5 HIGH | 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 | 7.5 HIGH | 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 | 5.0 MEDIUM | 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 | 7.5 HIGH | 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 | 7.5 HIGH | 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 | 6.4 MEDIUM | 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 | 5.0 MEDIUM | 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 | 5.0 MEDIUM | 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 | 6.4 MEDIUM | 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 | 5.0 MEDIUM | 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 | 5.0 MEDIUM | 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-2021-34595 | 2 Codesys, Wago | 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more | 2025-08-15 | 5.5 MEDIUM | 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 | 4.0 MEDIUM | 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-2021-21000 | 1 Wago | 54 750-8202, 750-8202 Firmware, 750-8203 and 51 more | 2025-08-15 | 5.0 MEDIUM | 5.3 MEDIUM |
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. | |||||
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 |
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. | |||||
CVE-2021-30186 | 2 Codesys, Wago | 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more | 2025-08-15 | 5.0 MEDIUM | 7.5 HIGH |
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow. | |||||
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 |
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. | |||||
CVE-2015-6472 | 1 Wago | 6 750-849, 750-849 Firmware, 750-881 and 3 more | 2025-04-20 | 5.0 MEDIUM | 9.8 CRITICAL |
WAGO IO 750-849 01.01.27 and 01.02.05, WAGO IO 750-881, and WAGO IO 758-870 have weak credential management. |