exacqVision Server 32-bit

published 2021-10-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14411

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-280-03 updated 2021-10-07 cvss 7.5

Johnson Controls exacqVision

Exacq Technologies, Johnson Controls Inc. exacqVision Server 32-bit <= 21.06.11.0
affected: vendor fix, mitigation “Current users can obtain the critical software update from the software download location.” exacq.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Johnson Controls exacqVision Web Service

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

References

johnsoncontrols.com /cyber-solutions/security-advisories
vendor-advisory
us-cert.gov /ics/advisories/icsa-21-280-03
third-party-advisory, mitigation, us-government-resource

Sources

CVE List CVE-2021-27665
NVD CVE-2021-27665

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary