CVE-2020-12499

Name: CVE-2020-12499
Creator: NVD / NIST
Published: 2020-07-21T15:15:13.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-12499 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.40%

31.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phoenixcontact	Plcnext Engineer	<= 2020-3-1

References

https://cert.vde.com/en-us/advisories/vde-2020-025Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-025Third Party Advisory

Timeline

Published: Jul 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12499?

In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.

How severe is CVE-2020-12499?

CVE-2020-12499 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12499?

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-2020-12499?

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

Scan your code now

Source: NVD / NIST