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Status published
High
CVE-2021-23138
WECON LeviStudioU
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative, reported these vulnerabilities to CISA.
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03
- https://www.zerodayinitiative.com/advisories/ZDI-22-133/
- https://www.zerodayinitiative.com/advisories/ZDI-22-139/
- https://www.zerodayinitiative.com/advisories/ZDI-22-134/
- https://www.zerodayinitiative.com/advisories/ZDI-22-136/
- https://www.zerodayinitiative.com/advisories/ZDI-22-138/
- https://www.zerodayinitiative.com/advisories/ZDI-22-141/
- https://www.zerodayinitiative.com/advisories/ZDI-22-137/
- https://www.zerodayinitiative.com/advisories/ZDI-22-131/
- https://www.zerodayinitiative.com/advisories/ZDI-22-135/
- https://www.zerodayinitiative.com/advisories/ZDI-22-142/
- https://www.zerodayinitiative.com/advisories/ZDI-22-129/
- https://www.zerodayinitiative.com/advisories/ZDI-22-140/
Affected Vendor
WECON
View all reports →Affected Software
LeviStudioU
Vulnerable Versions:
All
Timeline
Official Publish:
January 14th, 2022
Last Modified:
April 16th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H