Vulnerability CVE-2019-18939
Published: 2019-11-14

Description:
eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a installed allow Remote Code Execution by unauthenticated attackers with access to the web interface via the exec.cgi and exec1.cgi scripts, which execute TCL script content from an HTTP POST request.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Hm-print project -> Hm-print 
EQ-3 -> Homematic ccu2 
EQ-3 -> Homematic ccu2 firmware 
EQ-3 -> Homematic ccu3 
EQ-3 -> Homematic ccu3 firmware 

 References:
https://psytester.github.io/CVE-2019-18939/
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