CVE-2020-6081

Name: CVE-2020-6081
Creator: NVD / NIST
Published: 2020-05-07T13:15:12.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.76%

Last modified Jun 17, 2026

CVE-2020-6081 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable code execution vulnerability exists in the PLC_Task functionality of 3S-Smart Software Solutions GmbH CODESYS Runtime 3.5.14.30. A specially crafted network request can cause remote code execution. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

Description

An exploitable code execution vulnerability exists in the PLC_Task functionality of 3S-Smart Software Solutions GmbH CODESYS Runtime 3.5.14.30. A specially crafted network request can cause remote code execution. An attacker can send a malicious packet to trigger this vulnerability.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.76%

75.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Codesys	Runtime	3.5.14.30

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1003Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1003Exploit, Third Party Advisory

Timeline

Published: May 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6081?

How severe is CVE-2020-6081?

CVE-2020-6081 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6081?

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-2020-6081?

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

Scan your code now

Source: NVD / NIST