What’s Vulnerable › Vulnerabilities

CVE-2021-27660: C-CURE 9000

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-01 · updated 2026-06-17
• Weakness: CWE-20

Description

An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs.

Affected products

• Johnson Controls CCure 9000: before 2.80 — fixed in 2.80

How to fix

Upgrade to a fixed version: Johnson Controls CCure 9000 2.80. Check the vendor advisory for mitigations.

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-182-02
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories
• https://us-cert.cisa.gov/ics/advisories/icsa-21-182-02
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories

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