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CRITICAL · 9.8

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 a...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Hm-Print ProjectHm-Print1.2a
Eq-3Homematic Ccu2-
Eq-3Homematic Ccu2 Firmware2.47.20
Eq-3Homematic Ccu3-
Eq-3Homematic Ccu3 Firmware3.47.18

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2019-18939?

CVE-2019-18939 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 a...

How severe is CVE-2019-18939?

CVE-2019-18939 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-18939?

Check the references section above for vendor advisories and patch information. Affected products include: Hm-Print Project Hm-Print, Eq-3 Homematic Ccu2, Eq-3 Homematic Ccu2 Firmware, Eq-3 Homematic Ccu3, Eq-3 Homematic Ccu3 Firmware.