CVE-2019-14984

Homematic Ccu2 Firmware vulnerability

CVSS

8.1

EPSS

5.8%

EPSS pct

92th

Exploited

No known

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.

Affected vendor

Eq 3

Affected product

Homematic Ccu2 Firmware

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-306 — Missing Authentication for Critical Function

Published

2019-08-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2019-14984

Confirm whether Eq 3 Homematic Ccu2 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-14984.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-14984

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