Denial of Service Vulnerability in WAGO PFC Series Firmware
CVE-2019-5078

9.1CRITICAL

Key Information:

Vendor

Wago

Status
Wago Pfc200
Wago Pfc100
Vendor
CVE Published:
18 December 2019

What is CVE-2019-5078?

An exploitable denial of service vulnerability exists in the 'I/O-Check' functionality of the iocheckd service in certain WAGO PFC200 and PFC100 firmware versions. An attacker can send a specially crafted set of packets, which may lead to the device entering an error state, disrupting all network communications. This vulnerability presents a significant risk to operational continuity, as devices can be rendered inoperable without proper mitigation.

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Affected Version(s)

WAGO PFC100 Firmware version 03.00.39(12)

WAGO PFC200 Firmware version 03.01.07(13)

WAGO PFC200 Firmware version 03.00.39(12)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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