CWE
306
Advisory Published
Updated

CVE-2019-5080

First published: Wed Dec 18 2019(Updated: )

An exploitable denial-of-service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A single packet can cause a denial of service and weaken credentials resulting in the default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
WAGO PFC 200 Firmware=03.00.39\(12\)
WAGO PFC 200 Firmware=03.01.07\(13\)
WAGO PFC 200
WAGO PFC 100 Firmware=03.00.39\(12\)
WAGO PFC 100

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Frequently Asked Questions

  • What is CVE-2019-5080?

    CVE-2019-5080 is a denial-of-service vulnerability in the iocheckd service "I/O-Check" functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12).

  • What is the severity of CVE-2019-5080?

    The severity of CVE-2019-5080 is critical with a CVSS score of 9.1.

  • How does CVE-2019-5080 affect WAGO PFC 200 Firmware?

    CVE-2019-5080 affects WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12).

  • How does CVE-2019-5080 affect WAGO PFC100 Firmware?

    CVE-2019-5080 affects WAGO PFC100 Firmware version 03.00.39(12).

  • How can I fix CVE-2019-5080?

    To fix CVE-2019-5080, users should update their WAGO PFC 200 Firmware to a version that is not vulnerable.

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