High severity7.8NVD Advisory· Published Jan 14, 2022· Updated Jun 17, 2026
CVE-2021-23138
CVE-2021-23138
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:we-con:levistudiou:*:*:*:*:*:*:*:*range: <=2019-09-21
- (no CPE)range: <=2019-09-21
- (no CPE)range: All
Patches
Vulnerability mechanics
References
13- www.cisa.gov/uscert/ics/advisories/icsa-21-355-03nvdThird Party AdvisoryUS Government Resource
- www.zerodayinitiative.com/advisories/ZDI-22-129/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-131/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-133/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-134/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-135/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-136/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-137/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-138/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-139/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-140/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-141/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-22-142/nvdThird Party AdvisoryVDB Entry
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