Stack-based buffer overflow in LeviStudioU
Priority MEDIUM 48CWE-121Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.12419 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | LeviStudioU | up to 2019-09-21 | — | No fix listed | CNA |
- LeviStudioU Vendor— Affected up to 2019-09-21 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:* | up to 2019-09-21 | Vulnerable | WECON Technology Co., Ltd. |
- cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:* Versions up to 2019-09-21 Vulnerable ·WECON Technology Co., Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-16243
- 2026-10-03 Alias added: GHSA-fj3m-f5px-cp9p
References
More WECON Technology Co., Ltd. Levistudiou vulnerabilities
- TI-2021-05929 Stack-based buffer overflow in WECON LeviStudioU CVSS 3.1HIGH 7.8
- TI-2021-05938 Heap-based buffer overflow in WECON LeviStudioU CVSS 3.1HIGH 7.8
- TI-2018-07495 Heap-based buffer overflow in WECON Technology Co., Ltd. LeviStudioU CVSS 3.1HIGH 8.8
- TI-2018-07491 Stack-based buffer overflow in WECON Technology Co., Ltd. LeviStudioU CVSS 3.1HIGH 8.8
- TI-2018-07503 XML external entity injection in WECON Technology Co., Ltd. LeviStudioU CVSS 3.0HIGH 8.8
- TI-2018-07499 Out-of-bounds write in WECON Technology Co., Ltd. LeviStudioU CVSS 3.0HIGH 8.8
Sources
- CVE-2020-16243 · CVE Program
- CVE-2020-16243 · NVD
- FIRST EPSS
- GHSA-fj3m-f5px-cp9p · GitHub Advisory Database · CC BY 4.0
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