CVE-2019-14473 json
eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks.
published 2019-08-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5658
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks. Consequently, a valid guest level or user level account can create a new admin level account, read the service messages, clear the system protocol or modify/delete internal programs, etc. pp.
Exploit prediction
1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- psytester.github.io https://psytester.github.io/CVE-2019-14473 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
psytester.github.io
/CVE-2019-14473
exploit, third-party-advisory
Sources
- CVE List CVE-2019-14473
- NVD CVE-2019-14473
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