CVE-2019-5077

Description

An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.60%
Third-Party Advisory talosintelligence.com
Affected: n/a WAGO PFC200
Affected: n/a WAGO PFC100
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0869 third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-5077?
CVE-2019-5077 has been scored as a critical severity vulnerability.
How to fix CVE-2019-5077?
To fix CVE-2019-5077, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-5077 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-5077 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5077?
CVE-2019-5077 affects n/a WAGO PFC200, n/a WAGO PFC100.
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