How severe is CVE-2018-7299?

CVE-2018-7299 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7299?

CVE-2018-7299 affects Eq-3 Homematic Central Control Unit Ccu2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7299?

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

When was CVE-2018-7299 published?

CVE-2018-7299 was published on 2018-02-22 and last updated on 2026-06-17.

CVE-2018-7299

CVE-2018-7299 is a high-severity vulnerability in Eq-3 Homematic Central Control Unit Ccu2 Firmware with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 5.2
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Eq-3 Homematic Central Control Unit Ccu2 Firmware
Published: 2018-02-22
Last modified: 2026-06-17

Description

Remote Code Execution in the addon installation process in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows authenticated attackers to create or overwrite arbitrary files or install malicious software on the device.

Frequently asked questions

What is CVE-2018-7299?: Remote Code Execution in the addon installation process in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows authenticated attackers to create or overwrite arbitrary files or install malicious software on the device.
How severe is CVE-2018-7299?: CVE-2018-7299 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7299?: CVE-2018-7299 affects Eq-3 Homematic Central Control Unit Ccu2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7299 published?: CVE-2018-7299 was published on 2018-02-22 and last updated on 2026-06-17.

References

http://atomic111.github.io/article/homematic-ccu2-untrusted_addon

Affected products (1)

cpe:2.3:o:eq-3:homematic_central_control_unit_ccu2_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Eq-3 Homematic Central Control Unit Ccu2 Firmware

CVE-2018-7301 — Critical (CVSS 9.8): eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. This can be exploited by…
CVE-2018-7297 — Critical (CVSS 9.8): Remote Code Execution in the TCL script interpreter in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote…
CVE-2018-7298 — High (CVSS 8.1): In /usr/local/etc/config/addons/mh/loopupd.sh on eQ-3 AG HomeMatic CCU2 2.29.22 devices, software update packages are…
CVE-2018-7296 — Medium (CVSS 5.3): Directory Traversal / Arbitrary File Read in User.getLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier…

All CVEs affecting Eq-3 Homematic Central Control Unit Ccu2 Firmware →