CVE-2020-10939

Name: CVE-2020-10939
Creator: NVD / NIST
Published: 2020-03-27T20:15:11.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2020-10939 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Insecure, default path permissions in PHOENIX CONTACT PC WORX SRT through 1.14 allow for local privilege escalation.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Insecure, default path permissions in PHOENIX CONTACT PC WORX SRT through 1.14 allow for local privilege escalation.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.30%

21.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Phoenixcontact	Pc Worx Srt	<= 1.14

References

https://cert.vde.com/en-us/advisories/vde-2020-012Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-012Third Party Advisory

Timeline

Published: Mar 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10939?

Insecure, default path permissions in PHOENIX CONTACT PC WORX SRT through 1.14 allow for local privilege escalation.

How severe is CVE-2020-10939?

CVE-2020-10939 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10939?

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-2020-10939?

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

Scan your code now

Source: NVD / NIST