How severe is CVE-2019-14984?

CVE-2019-14984 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-14984 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14984?

CVE-2019-14984 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-2019-14984?

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-2019-14984 published?

CVE-2019-14984 was published on 2019-08-13 and last updated on 2026-06-17.

CVE-2019-14984

CVE-2019-14984 is a high-severity vulnerability in Eq-3 Homematic Ccu2 Firmware with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Eq-3 Homematic Ccu2 Firmware
Published: 2019-08-13
Last modified: 2026-06-17

Description

eQ-3 Homematic CCU2 and CCU3 with the XML-API through 1.2.0 AddOn installed allow Remote Code Execution by unauthenticated attackers with access to the web interface, because the undocumented addons/xmlapi/exec.cgi script uses CMD_EXEC to execute TCL code from a POST request.

Frequently asked questions

What is CVE-2019-14984?: eQ-3 Homematic CCU2 and CCU3 with the XML-API through 1.2.0 AddOn installed allow Remote Code Execution by unauthenticated attackers with access to the web interface, because the undocumented addons/xmlapi/exec.cgi script uses CMD_EXEC to execute TCL code from a POST request.
How severe is CVE-2019-14984?: CVE-2019-14984 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14984 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14984?: CVE-2019-14984 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-2019-14984?: 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-2019-14984 published?: CVE-2019-14984 was published on 2019-08-13 and last updated on 2026-06-17.

References

https://psytester.github.io/CVE-2019-14984/

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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