CVE-2021-23138

high

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.

References

Advisories

https://www.zerodayinitiative.com/advisories/ZDI-22-142/

https://www.zerodayinitiative.com/advisories/ZDI-22-141/

https://www.zerodayinitiative.com/advisories/ZDI-22-140/

https://www.zerodayinitiative.com/advisories/ZDI-22-139/

https://www.zerodayinitiative.com/advisories/ZDI-22-138/

https://www.zerodayinitiative.com/advisories/ZDI-22-137/

https://www.zerodayinitiative.com/advisories/ZDI-22-136/

https://www.zerodayinitiative.com/advisories/ZDI-22-135/

https://www.zerodayinitiative.com/advisories/ZDI-22-134/

https://www.zerodayinitiative.com/advisories/ZDI-22-133/

https://www.zerodayinitiative.com/advisories/ZDI-22-131/

https://www.zerodayinitiative.com/advisories/ZDI-22-129/

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03

Details

Source: Mitre, NVD

Published: 2022-01-14

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00606

Detections

Analytics