CVE-2020-12524

Name: CVE-2020-12524
Creator: NVD / NIST
Published: 2020-12-02T15:15:12.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2020-12524 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Uncontrolled Resource Consumption can be exploited to cause the Phoenix Contact HMIs BTP 2043W, BTP 2070W and BTP 2102W in all versions to become unresponsive and not accurately update the display content (Denial of Service).. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

Uncontrolled Resource Consumption can be exploited to cause the Phoenix Contact HMIs BTP 2043W, BTP 2070W and BTP 2102W in all versions to become unresponsive and not accurately update the display content (Denial of Service).

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phoenixcontact	Btp 2043w Firmware	All versions
Phoenixcontact	Btp 2070w Firmware	All versions
Phoenixcontact	Btp 2102w Firmware	All versions

References

https://cert.vde.com/en-us/advisories/vde-2020-047Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-047Third Party Advisory

Timeline

Published: Dec 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12524?

How severe is CVE-2020-12524?

CVE-2020-12524 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12524?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12524?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST