How severe is CVE-2020-16243?

CVE-2020-16243 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-16243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16243?

CVE-2020-16243 affects We-con Levistudiou. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16243?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-16243 published?

CVE-2020-16243 was published on 2021-02-23 and last updated on 2026-06-17.

CVE-2020-16243

CVE-2020-16243 is a high-severity vulnerability in We-con Levistudiou with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: We-con Levistudiou
Published: 2021-02-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-16243?: 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.
How severe is CVE-2020-16243?: CVE-2020-16243 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-16243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16243?: CVE-2020-16243 affects We-con Levistudiou. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-16243 published?: CVE-2020-16243 was published on 2021-02-23 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-238-03

Affected products (1)

cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*

More vulnerabilities in We-con Levistudiou

CVE-2018-10614 — High (CVSS 8.8): An XXE vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application processes…
CVE-2018-10610 — High (CVSS 8.8): An out-of-bounds vulnerability in LeviStudioU, Versions 1.8.29 and 1.8.44 can be exploited when the application…
CVE-2018-10606 — High (CVSS 8.8): WECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple heap-based buffer overflow vulnerabilities that can be…
CVE-2018-10602 — High (CVSS 8.8): WECON LeviStudio Versions 1.8.29 and 1.8.44 have multiple stack-based buffer overflow vulnerabilities that can be…
CVE-2021-23157 — High (CVSS 7.8): WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an…
CVE-2021-23138 — High (CVSS 7.8): WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an…

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