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No exploitation reported

CVE-2019-18937

No exploitation reported by the sources we read.

  • Published2019-11-14
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-11-1419:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-18937?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-18937?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Scriptparser project scriptparser
BranchAffectedFixed in
1.8= 1.8no fix published
1.7= 1.7no fix published
1.6= 1.6no fix published
1.5= 1.5no fix published
1.4= 1.4no fix published
1.3= 1.3no fix published
1.2= 1.2no fix published
1.0= 1.0no fix published
Eq-3 homematic ccu2 firmware
BranchAffectedFixed in
2.47= 2.47.20no fix published
Eq-3 homematic ccu3 firmware
BranchAffectedFixed in
3.47= 3.47.18no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-306read 2026-10-23
  • FIRST EPSSEPSS score33.8 %read 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-11-14
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-18937?

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.

Is CVE-2019-18937 actively exploited?

Active exploitation of CVE-2019-18937 has not been confirmed. Its EPSS score was 33.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

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

CVE-2019-18937 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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