Wago 750-862 Firmware vulnerabilities

CVE-2020-12506 [CRITICAL] CWE-306 CVE-2020-12506: Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attac 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 ver

CVE-2021-30188 [CRITICAL] CWE-787 CVE-2021-30188: CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow. CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.

CVE-2021-30189 [CRITICAL] CWE-787 CVE-2021-30189: CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow. CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.

CVE-2021-30190 [CRITICAL] CWE-306 CVE-2021-30190: CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control. CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.

CVE-2021-34578 [HIGH] CWE-287 CVE-2021-34578: This vulnerability allows an attacker who has access to the WBM to read and write settings-parameter This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.

CVE-2021-30192 [CRITICAL] CVE-2021-30192: CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check. CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.

CVE-2021-30193 [CRITICAL] CWE-787 CVE-2021-30193: CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write. CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.

CVE-2021-34586 [HIGH] CWE-476 CVE-2021-34586: In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer 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-2021-34583 [HIGH] CWE-122 CVE-2021-34583: Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a den 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-2023-1150 [HIGH] CWE-772 CVE-2023-1150: Uncontrolled resource consumption in Series WAGO 750-3x/-8x products may allow an unauthenticated re 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.

CVE-2021-30186 [HIGH] CWE-787 CVE-2021-30186: CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow. CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

CVE-2021-34584 [CRITICAL] CWE-126 CVE-2021-34584: Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a de 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-2021-30194 [CRITICAL] CWE-125 CVE-2021-30194: CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read. CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.

CVE-2021-30195 [HIGH] CWE-125 CVE-2021-30195: CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation. CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

CVE-2021-34595 [HIGH] CWE-823 CVE-2021-34595: A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS 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 local memory overwrite.

CVE-2021-21001 [MEDIUM] CWE-22 CVE-2021-21001: On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised att 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-2021-21000 [HIGH] CWE-770 CVE-2021-21000: On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with 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-2021-30191 [HIGH] CWE-120 CVE-2021-30191: CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input. CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.

CVE-2021-34585 [HIGH] CWE-252 CVE-2021-34585: In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser err 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-2021-34596 [MEDIUM] CWE-824 CVE-2021-34596: A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 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.