CVE-2021-27656: Johnsoncontrols Exacqvision Web Service

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability in exacqVision Web Service 20.12.2.0 and prior could allow an unauthenticated attacker to view system-level information about the exacqVision Web Service and the operating system.

Affected products

• Johnsoncontrols Exacqvision Web Service: up to and including 20.12.2.0

Published 2021-03-18. Last modified 2026-06-17.