What’s Vulnerable › Vulnerabilities

CVE-2021-27656: exacqVision Web Services - Information Exposure

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-18 · updated 2026-06-17
• Weakness: CWE-862

Description

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

• Johnson Controls exacqVision: through 20.12.2.0

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-077-01
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories
• https://us-cert.cisa.gov/ics/advisories/icsa-21-077-01
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories

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