CVE-2019-5077
First published: Wed Dec 18 2019(Updated: )
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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WAGO PFC 200 Firmware | =03.00.39\(12\) | |
| WAGO PFC 200 Firmware | =03.01.07\(13\) | |
| WAGO PFC 200 | ||
| WAGO PFC 100 Firmware | =03.00.39\(12\) | |
| WAGO PFC 100 |
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Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2019-5077.
What is the severity of CVE-2019-5077?
The severity of CVE-2019-5077 is critical with a CVSS score of 9.1.
Which software versions are affected by CVE-2019-5077?
WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12) are affected by CVE-2019-5077.
How can CVE-2019-5077 be exploited?
CVE-2019-5077 can be exploited by sending a specially crafted set of packets to the iocheckd service 'I/O-Chec' function of the affected WAGO PFC devices.
Is there a fix available for CVE-2019-5077?
At this time, no fix is available for CVE-2019-5077. It is recommended to follow the suggestions provided by the vendor or security researchers.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/description
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
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- collector/mitre-cve
- source/MITRE
- vendor/wago
- canonical/wago pfc 200 firmware
- version/wago pfc 200 firmware/03.00.39\(12\)
- version/wago pfc 200 firmware/03.01.07\(13\)
- canonical/wago pfc 200
- canonical/wago pfc 100 firmware
- version/wago pfc 100 firmware/03.00.39\(12\)
- canonical/wago pfc 100