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No exploitation reported

CVE-2019-9583

No exploitation reported by the sources we read.

  • Published2019-08-14
  • WeaknessCWE-400

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 and CCU3 obtain session IDs without login. This allows a Denial of Service and is a starting point for other attacks. Affected versions for CCU2: 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15. Affected versions for CCU3: 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15.

Timeline

dates in UTC
  1. 2019-08-1420:15CVE publishedNVD

Versions per branch

NVD
Eq-3 homematic ccu2 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published
2.35= 2.35.16no fix published
2.41= 2.41.5no fix published
2.41= 2.41.8no fix published
2.41= 2.41.9no fix published
2.45= 2.45.6no fix published
2.45= 2.45.7no fix published
2.47= 2.47.10no fix published
2.47= 2.47.12no fix published
2.47= 2.47.15no fix published
Eq-3 homematic ccu3 firmwareversion to verify
BranchAffectedFixed in
3.41= 3.41.11no fix published
3.43= 3.43.16no fix published
3.45= 3.45.5no fix published
3.45= 3.45.7no fix published
3.47= 3.47.10no fix published
3.47= 3.47.15no 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
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Published
2019-08-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-49c8-8f9w-rcc6

Frequently asked questions

What is CVE-2019-9583?

eQ-3 Homematic CCU2 and CCU3 obtain session IDs without login. This allows a Denial of Service and is a starting point for other attacks. Affected versions for CCU2: 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15. Affected versions for CCU3: 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15.

Is CVE-2019-9583 actively exploited?

Active exploitation of CVE-2019-9583 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-9583?

CVE-2019-9583 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

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