CVE-2021-23138 Information

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.

CVSS Vector

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

Reference

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03 https://www.zerodayinitiative.com/advisories/ZDI-22-129/ https://www.zerodayinitiative.com/advisories/ZDI-22-141/ https://www.zerodayinitiative.com/advisories/ZDI-22-131/ https://www.zerodayinitiative.com/advisories/ZDI-22-142/ https://www.zerodayinitiative.com/advisories/ZDI-22-140/ https://www.zerodayinitiative.com/advisories/ZDI-22-134/ https://www.zerodayinitiative.com/advisories/ZDI-22-135/ https://www.zerodayinitiative.com/advisories/ZDI-22-133/ https://www.zerodayinitiative.com/advisories/ZDI-22-138/ https://www.zerodayinitiative.com/advisories/ZDI-22-139/ https://www.zerodayinitiative.com/advisories/ZDI-22-136/ https://www.zerodayinitiative.com/advisories/ZDI-22-137/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8