CVE-2021-27660 json
C-CURE 9000
published 2021-07-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14406
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs.
Patch / fix
- Johnson Controls C-CURE 9000 2.80
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-182-02 updated cvss 8.8
Sensormatic Electronics C-CURE 9000 (Update A)
-
Sensormatic Electronics, LLC, Johnson Controls Inc. C-CURE 9000 < 2.80affected: fixed in 2.80, mitigation “Versions prior to 2.60” johnsoncontrols.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
2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Johnson Controls C-CURE 9000
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
johnsoncontrols.com
/cyber-solutions/security-advisories
vendor-advisory
-
us-cert.cisa.gov
/ics/advisories/icsa-21-182-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-27660
- NVD CVE-2021-27660
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.