Is CVE-2019-18937 actively exploited?

No active exploitation of CVE-2019-18937 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18937 be exploited remotely?

Yes. CVE-2019-18937 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-18937?

CVE-2019-18937 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2019-18937

CRITICAL

CVE-2019-18937

CWE-306Published: November 14, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8 installed allow Remote Code Execution by unauthenticated attackers with access to the web interface via the exec.cgi script, which executes TCL script content from an HTTP POST request.

NVD Source

Technical Analysis

CVE-2019-18937 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.