CVE-2021-43983

HIGH 7.8CVE-2021-43983 · Published 13/12/2021 · updated 17/06/2026

In short

CVE-2021-43983 is a HIGH (CVSS 7.8) vulnerability affecting levistudiou (we-con).
Chance of exploitation in the next 30 days (EPSS): 2.9%, higher than 87.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
levistudiou we-con	`≤ 2019-09-21`	No fix yet

Description

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.

References

cisa.gov/uscert/ics/advisories/icsa-21-343-02 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-034 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-035 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-036 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-037 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-038 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-039 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-040 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-041 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-042 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-22-043

More vulnerabilities in levistudiou

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

levistudiou

we-con

≤ 2019-09-21

No fix yet

More vulnerabilities in levistudiou

See all →