CVE-2021-27664
Johnson Controls
- Published
- 11 October 2021
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 1.6% (74th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-269
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Under certain configurations an unauthenticated remote user could be given access to credentials stored in the exacqVision Server.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.6% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Exacqvision Web Service | Johnson Controls | Video management software | <= 20.06.11.0, <= 20.06.3.0, <= 20.12.2.0, <= 21.03 +1 |
References
Vendor advisory and patch
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories
- https://us-cert.gov/ics/advisories/icsa-21-280-01 third-party
- https://us-cert.gov/ics/advisories/icsa-21-280-01 third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.