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CRITICAL

CVE-2019-5081

CVSS v3

9.8

CRITICAL

EPSS Score

1.8 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Technical details

Published
2019-12-18

Frequently asked questions

What is CVE-2019-5081?

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Is CVE-2019-5081 actively exploited?

Active exploitation of CVE-2019-5081 has not been confirmed. The EPSS score is 1.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-5081?

CVE-2019-5081 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-5081 affecting your environment?

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