CVE-2019-6539

Name: CVE-2019-6539
Creator: NVD / NIST
Published: 2019-02-13T00:29:00.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.11%

Last modified Jun 17, 2026

CVE-2019-6539 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

Several heap-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior have been identified, which may allow arbitrary code execution. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.

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

2.11%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
We-Con	Levistudiou	<= 1.8.56

References

http://www.securityfocus.com/bid/106861Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-03Patch, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/106861Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-03Patch, Third Party Advisory, US Government Resource

Timeline

Published: Feb 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6539?

How severe is CVE-2019-6539?

CVE-2019-6539 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6539?

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-2019-6539?

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

Scan your code now

Source: NVD / NIST