VULNERABILITY INTELLIGENCE

CVE-2021-20704

CVSS score9.8 CRITICAL

EPSS probability2.14%

CISA KEVNot currently listed

Published2021-11-03

Last modified2026-06-17

Description

Buffer overflow vulnerability in the compatible API with previous versions CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier allows attacker to remote code execution via a network.