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Fencer Intel
critical 9.8

CVE-2021-27664 json

exacqVision Web Service

published 5y ago modified 4mo ago also EUVD-2021-14410

cvss
9.8
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

Summary

Under certain configurations an unauthenticated remote user could be given access to credentials stored in the exacqVision Server.

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Vendor advisories

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

cisa ICSA-21-280-01 updated cvss 9.8

Johnson Controls exacqVision Server Bundle

  • Exacq Technologies, Johnson Controls Inc. exacqVision Web Service <= 21.06.11.0
    affected: fixed in 21.09, mitigation “For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2021-16 v1” 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

1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Johnson Controls exacqVision Web Service

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Intel 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.