Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-9583

21
FAUCET Score

CVE-2019-9583 describes a vulnerability in eQ-3 Homematic CCU2 and CCU3 devices where session IDs can be obtained without authentication. This flaw, categorized as CWE-400 (Uncontrolled Resource Consumption), allows for Denial of Service attacks and can serve as a stepping stone for further malicious activities. With a CVSS v3.1 score of 8.2 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, impacting the availability and potentially the integrity of affected systems. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.41.11CPE matchmatch criteria
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.41.11:*:*:*:*:*:*:*
3.43.16CPE matchmatch criteria
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.43.16:*:*:*:*:*:*:*
3.45.5CPE matchmatch criteria
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.45.5:*:*:*:*:*:*:*
3.45.7CPE matchmatch criteria
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.45.7:*:*:*:*:*:*:*
3.47.10CPE matchmatch criteria
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.88%
Probability of exploitation in next 30 days
EPSS Percentile
77.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0188 is in the 60th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / psytester/psytester.github.io/blob/master/_posts/hacking_and_pentests/CVEs/2019-03-27-CVE-2019-9583.md
ExploitThird Party Advisory
psytester.github.io / CVE-2019-9583
ExploitThird Party Advisory