High severity · published Jul 1, 2021
CVE-2021-27660
An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C9
C-cure 9000 Firmware · Johnsoncontrols
before 2.80 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27660
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27660
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-02
Vendor Advisory
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
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