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wago 750-881 firmware vulnerabilities, newest first

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  1. 6.5CVE-2021-34596EPSS 0.8%

    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.

  2. 8.1CVE-2021-34595EPSS 0.9%

    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.

  3. 7.5CVE-2021-34586EPSS 14%

    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.

  4. 7.5CVE-2021-34585EPSS 0.9%

    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 d…

  5. 9.1CVE-2021-34584EPSS 1.1%

    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.

  6. 7.5CVE-2021-34583EPSS 8.8%

    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.

  7. 7.5CVE-2021-34581EPSS 1.0%

    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 devic…

  8. 7.5CVE-2021-30195EPSS 7.6%

    CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

  9. 9.1CVE-2021-30194EPSS 1.1%

    CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.

  10. 9.8CVE-2021-30193EPSS 1.1%

    CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.

  11. 9.8CVE-2021-30192EPSS 1.1%

    CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.

  12. 7.5CVE-2021-30191EPSS 1.0%

    CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.

  13. 9.8CVE-2021-30190EPSS 1.4%

    CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.

  14. 9.8CVE-2021-30189EPSS 1.2%

    CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.

  15. 9.8CVE-2021-30188EPSS 1.3%

    CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.

  16. 7.5CVE-2021-30186EPSS 7.7%

    CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

  17. 5.3CVE-2021-30187EPSS 0.3%

    CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.

  18. 6.5CVE-2021-21001EPSS 1.1%

    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.

  19. 7.5CVE-2021-21000EPSS 1.0%

    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.

  20. 7.5CVE-2020-12516EPSS 1.9%

    Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.

  21. 8.2CVE-2020-12505EPSS 1.2%

    Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 75…

  22. 9.8CVE-2019-10712EPSS 2.8%

    The Web-GUI on WAGO Series 750-88x (750-330, 750-352, 750-829, 750-831, 750-852, 750-880, 750-881, 750-882, 750-884, 750-885, 750-889) and Series 750-87x (750-830, 750-849, 750-871, 750-872, 750-873) devices has undocumented service access.

  23. 6.1CVE-2018-16210EPSS 1.0%

    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.

  24. 5.3CVE-2018-8836EPSS 3.7%

    Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools.…

  25. 9.8CVE-2015-6472EPSS 2.9%

    WAGO IO 750-849 01.01.27 and 01.02.05, WAGO IO 750-881, and WAGO IO 758-870 have weak credential management.