CVE-2020-12514: Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference

Published Jan 22, 2021
·
Updated

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd

Affected Software

24 affected components
Pepperl-fuchs Io-link Master 4-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master 4-eip
Pepperl-fuchs Io-link Master 8-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-eip
Pepperl-fuchs Io-link Master 8-eip-l Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-eip-l
Pepperl-fuchs Io-link Master Dr-8-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip
Pepperl-fuchs Io-link Master Dr-8-eip-p Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip-p
Pepperl-fuchs Io-link Master Dr-8-eip-t Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip-t
Pepperl-fuchs Io-link Master 4-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master 4-pnio
Pepperl-fuchs Io-link Master 8-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-pnio
Pepperl-fuchs Io-link Master 8-pnio-l Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-pnio-l
Pepperl-fuchs Io-link Master Dr-8-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio
Pepperl-fuchs Io-link Master Dr-8-pnio-p Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio-p
Pepperl-fuchs Io-link Master Dr-8-pnio-t Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio-t

Remediation

Information

In order to prevent the exploitation of the reported vulnerabilities, we recommend that the affected units be updated with the following three firmware packages: U-Boot bootloader version 1.36 or newer System image version 1.52 or newer Application base version 1.6.11 or newer

Event History

Jan 22, 2021
CVE Published
via MITRE·07:01 PM
Data Sourced
via MITRE·07:01 PM
RemedyDescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-12514?

CVE-2020-12514 refers to a vulnerability in Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below that can be exploited to cause a Denial of Service (DoS) in discoveryd.

2

Which software versions are affected by CVE-2020-12514?

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is affected by CVE-2020-12514.

3

How severe is CVE-2020-12514?

CVE-2020-12514 has a severity rating of 4.9 out of 10, indicating a medium-level vulnerability.

4

How can CVE-2020-12514 be fixed?

To fix CVE-2020-12514, users should update Pepperl+Fuchs Comtrol IO-Link Master to a version above 1.5.48, as this vulnerability has been patched in later versions.

5

Where can I find more information about CVE-2020-12514?

More information about CVE-2020-12514 can be found in the advisory VDE-2020-038 published by VDE-CERT. The advisory provides additional details and recommendations.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203