Heap Buffer Overflow in WAGO PFC 200 and PFC100 Firmware
CVE-2019-5081

9.8CRITICAL

Key Information:

Vendor

Wago

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

What is CVE-2019-5081?

A heap buffer overflow vulnerability affecting the iocheckd service in WAGO PFC 200 and PFC100 Firmware versions can be exploited through specially crafted packets. This allows an attacker to send unauthenticated packets to the device, potentially leading to arbitrary code execution.

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://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC
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

.