Wago 750-881 Firmware vulnerabilities

CVE-2023-1619 [MEDIUM] CWE-1288 CVE-2023-1619: Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high priv Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a malformed packet.

CVE-2023-1620 [MEDIUM] CWE-1288 CVE-2023-1620: Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high priv 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.

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-2021-34585 [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-2021-34595 [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-2021-34586 [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-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.

CVE-2021-34581 [HIGH] CWE-772 CVE-2021-34581: Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.

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-2021-30192 [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-2021-30194 [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-2021-30188 [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-2021-30193 [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-2021-30191 [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-2021-30186 [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-2021-30195 [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-2021-30187 [MEDIUM] CWE-78 CVE-2021-30187: CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.

CVE-2021-21000 [MEDIUM] 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.