High severity · published Aug 6, 2019
CVE-2019-14473
eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks. Consequently, a valid guest level or user level account can create a new admin level account, read the service messages, clear the system protocol or modify/delete internal programs, etc. pp.
CVSS vector
CVSS:3.0/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)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Ccu2 Firmware · Eq-3
through 2.47.15 · source: NVD
CF
Ccu3 Firmware · Eq-3
through 3.47.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-14473
Exploit
https://psytester.github.io/CVE-2019-14473
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