7.5
CWE
400
Advisory Published
Updated

CVE-2020-12516: WAGO: PLC families 750-88x and 750-352 prone to DoS attack

First published: Thu Dec 10 2020(Updated: )

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.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
WAGO 750-352
WAGO 750-831/xxx-xxx
WAGO 750-852
WAGO 750-880/xxx-xxx
WAGO 750-881
WAGO 750-889
Wago 750-352 Firmware>=fw1<=fw10
WAGO 750-352
Wago 750-831 Firmware>=fw1<=fw10
WAGO 750-831
Wago 750-852 Firmware>=fw1<=fw10
WAGO 750-852
Wago 750-880 Firmware>=fw1<=fw10
WAGO 750-880
Wago 750-881 Firmware>=fw1<=fw10
WAGO 750-881
Wago 750-889 Firmware>=fw1<=fw10
WAGO 750-889
Wago 750-331 Firmware>=fw1<=fw10
Wago 750-331
Wago 750-829 Firmware>=fw1<=fw10
Wago 750-829
Wago 750-882 Firmware>=fw1<=fw10
WAGO 750-882
Wago 750-885 Firmware>=fw1<=fw10
WAGO 750-885

Remedy

Update the device to the latest FW version.

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2020-12516.

  • What is the severity of CVE-2020-12516?

    The severity of CVE-2020-12516 is high with a CVSS score of 7.5.

  • Which WAGO PLC family versions are affected by CVE-2020-12516?

    Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are affected by CVE-2020-12516.

  • What is the impact of CVE-2020-12516?

    CVE-2020-12516 can be exploited to carry out a special denial of service attack.

  • How can CVE-2020-12516 be fixed?

    To fix CVE-2020-12516, users should update to a firmware version higher than FW10.

Contact

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