Wago 750 8202 vulnerabilities

27 vulnerabilities

Known vulnerabilities in Wago 750 8202, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

9.1CVE-2021-21001wago750-8202_firmware+28
EPSS score
1.13%
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.
7.5CVE-2021-21000wago750-8202_firmware+28
EPSS score
1.04%
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.
9.8CVE-2021-30190codesysv2_web_server+27
EPSS score
1.39%
CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.
9.8CVE-2021-30188codesysv2_runtime_system_sp+27
EPSS score
1.27%
CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
9.8CVE-2021-30193codesysv2_web_server+27
EPSS score
1.12%
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
7.5CVE-2021-30195codesysplcwinnt+28
EPSS score
7.55%
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
7.5CVE-2021-30191codesysv2_web_server+27
EPSS score
0.99%
CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.
9.8CVE-2021-30192codesysv2_web_server+27
EPSS score
1.12%
CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
5.3CVE-2021-30187codesysruntime_toolkit+27
EPSS score
0.27%
CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
9.8CVE-2021-30189codesysv2_web_server+27
EPSS score
1.24%
CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
9.1CVE-2021-30194codesysv2_web_server+27
EPSS score
1.12%
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
7.5CVE-2021-30186codesysplcwinnt+28
EPSS score
7.74%
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
6.5CVE-2021-34596codesyscodesys+30
EPSS score
0.83%
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.
7.5CVE-2021-34583codesyscodesys+28
EPSS score
8.84%
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.
9.8CVE-2021-34569wago750-8100_firmware+54
EPSS score
0.87%
In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.
8.1CVE-2021-34595codesyscodesys+30
EPSS score
0.85%
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.
7.5CVE-2021-34568wago750-8100_firmware+54
EPSS score
1.11%
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service.
9.1CVE-2021-34584codesyscodesys+28
EPSS score
1.08%
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.
8.2CVE-2021-34567wago750-8100_firmware+54
EPSS score
0.86%
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
7.5CVE-2021-34593codesyscodesys v2+15
EPSS score
2.66%
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.