CVE-2021-33021: Xarrow

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

xArrow SCADA versions 7.2 and prior is vulnerable to cross-site scripting due to parameter ‘edate’ of the resource xhisalarm.htm, which may allow an unauthorized attacker to execute arbitrary code.

Affected products

• Xarrow Xarrow: up to and including 7.2

Published 2022-05-16. Last modified 2026-06-17.