How severe is CVE-2019-9585?

CVE-2019-9585 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-9585 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9585?

CVE-2019-9585 primarily affects Eq-3 Homematic Ccu2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9585?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-9585 published?

CVE-2019-9585 was published on 2019-08-14 and last updated on 2026-06-17.

CVE-2019-9585

CVE-2019-9585 is a critical-severity vulnerability in Eq-3 Homematic Ccu2 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Eq-3 Homematic Ccu2 Firmware
Published: 2019-08-14
Last modified: 2026-06-17

Description

eQ-3 Homematic CCU2 prior to 2.47.10 and CCU3 prior to 3.47.10 JSON API has Improper Access Control for Interface.***Metadata related operations, resulting in the ability to read, set and deletion of Metadata.

Frequently asked questions

What is CVE-2019-9585?: eQ-3 Homematic CCU2 prior to 2.47.10 and CCU3 prior to 3.47.10 JSON API has Improper Access Control for Interface.***Metadata related operations, resulting in the ability to read, set and deletion of Metadata.
How severe is CVE-2019-9585?: CVE-2019-9585 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-9585 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9585?: CVE-2019-9585 primarily affects Eq-3 Homematic Ccu2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9585?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-9585 published?: CVE-2019-9585 was published on 2019-08-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu3_firmware:*:*:*:*:*:*:*:*

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CVE-2019-18937 — Critical (CVSS 9.8): eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8 installed allow Remote Code…
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