we-con CVE Vulnerabilities & Metrics

Focus on we-con vulnerabilities and metrics.

Last updated: 08 Mar 2025, 23:25 UTC

About we-con Security Exposure

This page consolidates all known Common Vulnerabilities and Exposures (CVEs) associated with we-con. We track both calendar-based metrics (using fixed periods) and rolling metrics (using gliding windows) to give you a comprehensive view of security trends and risk evolution. Use these insights to assess risk and plan your patching strategy.

For a broader perspective on cybersecurity threats, explore the comprehensive list of CVEs by vendor and product. Stay updated on critical vulnerabilities affecting major software and hardware providers.

Global CVE Overview

Total we-con CVEs: 30
Earliest CVE date: 27 Apr 2017, 00:59 UTC
Latest CVE date: 14 Jan 2022, 20:15 UTC

Latest CVE reference: CVE-2021-23157

Rolling Stats

30-day Count (Rolling): 0
365-day Count (Rolling): 0

Calendar-based Variation

Calendar-based Variation compares a fixed calendar period (e.g., this month versus the same month last year), while Rolling Growth Rate uses a continuous window (e.g., last 30 days versus the previous 30 days) to capture trends independent of calendar boundaries.

Variations & Growth

Month Variation (Calendar): 0%
Year Variation (Calendar): 0%

Month Growth Rate (30-day Rolling): 0.0%
Year Growth Rate (365-day Rolling): 0.0%

Monthly CVE Trends (current vs previous Year)

Annual CVE Trends (Last 20 Years)

Critical we-con CVEs (CVSS ≥ 9) Over 20 Years

CVSS Stats

Average CVSS: 7.19

Max CVSS: 9.3

Critical CVEs (≥9): 7

CVSS Range vs. Count

Range Count
0.0-3.9 0
4.0-6.9 21
7.0-8.9 2
9.0-10.0 7

CVSS Distribution Chart

Top 5 Highest CVSS we-con CVEs

These are the five CVEs with the highest CVSS scores for we-con, sorted by severity first and recency.

All CVEs for we-con

CVE-2021-23157 we-con vulnerability CVSS: 6.8 14 Jan 2022, 20:15 UTC

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

CVE-2021-23138 we-con vulnerability CVSS: 6.8 14 Jan 2022, 20:15 UTC

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.

CVE-2021-43983 we-con vulnerability CVSS: 6.8 13 Dec 2021, 16:15 UTC

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.

CVE-2021-42707 we-con vulnerability CVSS: 6.8 22 Nov 2021, 20:15 UTC

PLC Editor Versions 1.3.8 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.

CVE-2021-42705 we-con vulnerability CVSS: 6.8 22 Nov 2021, 20:15 UTC

PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.

CVE-2020-16243 we-con vulnerability CVSS: 6.8 23 Feb 2021, 17:15 UTC

Multiple buffer overflow vulnerabilities exist when LeviStudioU (Version 2019-09-21 and prior) processes project files. Opening a specially crafted project file could allow an attacker to exploit and execute code under the privileges of the application.

CVE-2020-25199 we-con vulnerability CVSS: 6.8 09 Dec 2020, 17:15 UTC

A heap-based buffer overflow vulnerability exists within the WECON LeviStudioU Release Build 2019-09-21 and prior when processing project files. Opening a specially crafted project file could allow an attacker to exploit and execute code under the privileges of the application.

CVE-2020-25181 we-con vulnerability CVSS: 6.8 01 Dec 2020, 15:15 UTC

WECON PLC Editor Versions 1.3.8 and prior has a heap-based buffer overflow vulnerabilities have been identified that may allow arbitrary code execution.

CVE-2020-25177 we-con vulnerability CVSS: 6.8 01 Dec 2020, 15:15 UTC

WECON PLC Editor Versions 1.3.8 and prior has a stack-based buffer overflow vulnerability has been identified that may allow arbitrary code execution.

CVE-2020-25186 we-con vulnerability CVSS: 5.0 22 Oct 2020, 21:15 UTC

An XXE vulnerability exists within LeviStudioU Release Build 2019-09-21 and prior when processing parameter entities, which may allow file disclosure.

CVE-2019-18236 we-con vulnerability CVSS: 6.8 23 Dec 2019, 20:15 UTC

Multiple buffer overflow vulnerabilities exist when the PLC Editor Version 1.3.5_20190129 processes project files. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.

CVE-2018-14814 we-con vulnerability CVSS: 4.3 27 Mar 2019, 20:29 UTC

WECON Technology PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior lacks proper validation of user-supplied data, which may result in a read past the end of an allocated object.

CVE-2019-6541 we-con vulnerability CVSS: 6.8 13 Feb 2019, 00:29 UTC

A memory corruption vulnerability has been identified in WECON LeviStudioU version 1.8.56 and prior, 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.

CVE-2019-6539 we-con vulnerability CVSS: 9.3 13 Feb 2019, 00:29 UTC

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.

CVE-2019-6537 we-con vulnerability CVSS: 6.8 13 Feb 2019, 00:29 UTC

Multiple stack-based buffer overflow vulnerabilities in WECON LeviStudioU version 1.8.56 and prior may be exploited when parsing strings within project files. The process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage these vulnerabilities to execute code under the context of the current process. Mat Powell, Ziad Badawi, and Natnael Samson working with Trend Micro's Zero Day Initiative, reported these vulnerabilities to NCCIC.

CVE-2018-10614 we-con vulnerability CVSS: 6.8 09 Oct 2018, 21:29 UTC

An XXE vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application processes specially crafted project XML files.

CVE-2018-10610 we-con vulnerability CVSS: 6.8 09 Oct 2018, 21:29 UTC

An out-of-bounds vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application processes specially crafted project files.

CVE-2018-17889 we-con vulnerability CVSS: 4.3 08 Oct 2018, 12:29 UTC

In WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior when parsing project files, the XMLParser that ships with Wecon PIStudio is vulnerable to a XML external entity injection attack, which may allow sensitive information disclosure.

CVE-2018-14818 we-con vulnerability CVSS: 7.5 08 Oct 2018, 12:29 UTC

WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code execution.

CVE-2018-14810 we-con vulnerability CVSS: 9.3 08 Oct 2018, 12:29 UTC

WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior parse files and pass invalidated user data to an unsafe method call, which may allow code to be executed in the context of an administrator.

CVE-2018-10606 we-con vulnerability CVSS: 9.3 26 Sep 2018, 18:29 UTC

WECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple heap-based buffer overflow vulnerabilities that can be exploited when the application processes specially crafted project files.

CVE-2018-10602 we-con vulnerability CVSS: 9.3 26 Sep 2018, 18:29 UTC

WECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple stack-based buffer overflow vulnerabilities that can be exploited when the application processes specially crafted project files.

CVE-2018-14792 we-con vulnerability CVSS: 6.8 19 Sep 2018, 15:29 UTC

WECON PLC Editor version 1.3.3U may allow an attacker to execute code under the current process when processing project files.

CVE-2018-7527 we-con vulnerability CVSS: 6.8 26 Apr 2018, 20:29 UTC

A buffer overflow can be triggered in LeviStudio HMI Editor, Version 1.10 part of Wecon LeviStudioU 1.8.29, and PI Studio HMI Project Programmer, Build: November 11, 2017 and prior by opening a specially crafted file.

CVE-2017-16739 we-con vulnerability CVSS: 6.8 12 Jan 2018, 20:29 UTC

An issue was discovered in WECON Technology LEVI Studio HMI Editor v1.8.29 and prior. Specially-crafted malicious files may be able to cause stack-based buffer overflow vulnerabilities, which may allow remote code execution.

CVE-2017-16737 we-con vulnerability CVSS: 6.8 12 Jan 2018, 20:29 UTC

An issue was discovered in WECON Technology LEVI Studio HMI Editor v1.8.29 and prior. A specially-crafted malicious file may be able to cause a heap-based buffer overflow vulnerability when opened by a user.

CVE-2017-16717 we-con vulnerability CVSS: 9.0 20 Dec 2017, 19:29 UTC

A Heap-based Buffer Overflow issue was discovered in WECON LeviStudio HMI. The heap-based buffer overflow vulnerability has been identified, which may allow remote code execution.

CVE-2017-13999 we-con vulnerability CVSS: 7.5 17 Oct 2017, 22:29 UTC

A Stack-based Buffer Overflow issue was discovered in WECON LEVI Studio HMI Editor v1.8.1 and prior. Multiple stack-based buffer overflow vulnerabilities have been identified in which the application does not verify string size before copying to memory; the attacker may then be able to crash the application or run arbitrary code.

CVE-2017-6037 we-con vulnerability CVSS: 9.3 27 Apr 2017, 00:59 UTC

A Heap-Based Buffer Overflow issue was discovered in Wecon Technologies LEVI Studio HMI Editor before 1.8.1. This vulnerability causes a buffer overflow when a maliciously crafted project file is run by the system.

CVE-2017-6035 we-con vulnerability CVSS: 9.3 27 Apr 2017, 00:59 UTC

A Stack-Based Buffer Overflow issue was discovered in Wecon Technologies LEVI Studio HMI Editor before 1.8.1. This vulnerability causes a buffer overflow, which could result in denial of service when a malicious project file is run on the system.