CVE-2019-18939 in the critical feed json
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…
published 2019-11-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8612
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 40.8%
- EPSS 40.8% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
40.78% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- psytester.github.io https://psytester.github.io/CVE-2019-18939/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
psytester.github.io
/CVE-2019-18939/
exploit, third-party-advisory
Sources
- CVE List CVE-2019-18939
- NVD CVE-2019-18939
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