CVE-2021-27665

Published: Oct 11, 2021Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.

Affected (1)

Products: Johnsoncontrols: Exacqvision Server

Johnsoncontrols

1 product

Exacqvision Server

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Johnsoncontrols Exacqvision Server	Up to 21.06.11.0

Related CWEs

CWE-190

Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

References (4)

https://us-cert.gov/ics/advisories/icsa-21-280-03

Source: productsecurity@jci.com

MitigationThird Party AdvisoryUS Government Resource

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Source: productsecurity@jci.com

Vendor Advisory

https://us-cert.gov/ics/advisories/icsa-21-280-03

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationThird Party AdvisoryUS Government Resource

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.