CVE-2019-18939

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
VendorProductVersion
hm-print_projecthm-print
1.2a:a
eq-3homematic_ccu2_firmware
2.47.20
hm-print_projecthm-print
1.2
eq-3homematic_ccu3_firmware
3.47.18
hm-print_projecthm-print
1.2a:a
eq-3homematic_ccu3_firmware
3.47.18
hm-print_projecthm-print
1.2
eq-3homematic_ccu2_firmware
2.47.20
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://psytester.github.io/CVE-2019-18939/
https://psytester.github.io/CVE-2019-18939/