CVE-2019-18939

CRITICAL

HM-Print AddOn through 1.2a - Unauthenticated Remote Code Execution via TCL Script Execution in exec.cgi and exec1.cgi

Title source: manual
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://psytester.github.io/CVE-2019-18939/

Scores

CVSS v3 9.8
EPSS 0.4078
EPSS Percentile 98.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-306
Status published
Products (4)
eq-3/homematic_ccu2_firmware 2.47.20
eq-3/homematic_ccu3_firmware 3.47.18
hm-print_project/hm-print 1.2a
hm-print_project/hm-print 1.2
Published Nov 14, 2019
Tracked Since Feb 18, 2026