CVE-2020-25199: A heap-based buffer overflow vulnerability exists within the WECON LeviStudioU Release Build 2019-09-21 and pr

Q: How do I fix CVE-2020-25199?

levistudiou: upgrade to newer than 2019-09-21. Exact commands for each OS are on this page.

Q: Is CVE-2020-25199 being exploited?

CVE-2020-25199 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-25199 affect?

CVE-2020-25199 affects levistudiou. Severity is high (CVSS 7.8). 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 un

This month

HIGH 7.8UPGRADE

CVE-2020-25199 is a high-severity flaw (CVSS 7.8) affecting levistudiou. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2020-12-09
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: we-con

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-12-09 17:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

we-con levistudiou UPGRADE

Affected: <= 2019-09-21

Fixed in: newer than 2019-09-21

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy levistudiou || rpm -q levistudiou || levistudiou --version

2. UPGRADE to newer than 2019-09-21 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade levistudiou

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade levistudiou

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-25199?

levistudiou: upgrade to newer than 2019-09-21. Exact commands for each OS are on this page.

Is CVE-2020-25199 being exploited?

CVE-2020-25199 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-25199 affect?

CVE-2020-25199 affects levistudiou. Severity is high (CVSS 7.8). 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 un

How urgent is CVE-2020-25199?

Priority 45/100. High severity

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References

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