CVE-2020-10639

Name: CVE-2020-10639
Creator: NVD / NIST
Published: 2020-04-15T17:15:14.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-10639 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could cause a buffer overflow when loaded by the affected product.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could cause a buffer overflow when loaded by the affected product.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.80%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Eaton	Hmisoft Vu3 Firmware	<= 3.00.23

References

https://www.us-cert.gov/ics/advisories/icsa-20-105-01Third Party Advisory, US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-105-01Third Party Advisory, US Government Resource

Timeline

Published: Apr 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10639?

How severe is CVE-2020-10639?

CVE-2020-10639 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10639?

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-2020-10639?

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

Scan your code now

Source: NVD / NIST