Heap Buffer Overflow in WAGO PFC200 and PFC100 Firmware by WAGO
CVE-2019-5079

9.8CRITICAL

Key Information:

Vendor

Wago

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

What is CVE-2019-5079?

A heap buffer overflow vulnerability has been identified in the I/O-Check functionality of the WAGO PFC200 and PFC100 firmware. This flaw allows attackers to send specially crafted packets, potentially leading to unauthorized code execution. The affected firmware versions for the PFC200 include 03.01.07(13) and 03.00.39(12), while the PFC100 is affected at version 03.00.39(12). This vulnerability poses significant risks to the integrity and security of connected systems, making it crucial for users to apply updates or patches to mitigate the risk of exploitation.

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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:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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