CVE-2019-9584 Missing authorization in n/a

Critical 9.8 Published 14 Aug 2019 Updated 4 Aug 2024

Unauthenticated attackers can access admin pages to steal VPN details, stop the VPN service, or delete its configuration on HomeMatic CCU devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-9584?

CVE-2019-9584 is a critical missing authorization vulnerability in n/a, published on 14 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 allows uncontrolled admin access, resulting in the ability to obtain VPN profile details, shutting down the VPN service and to delete the VPN service configuration. This is related to improper access control for all /addons/mh/ pages.

Weakness: CWE-425

Which versions are affected by CVE-2019-9584?

It affects 2 products.

Products include Eq-3 Homematic Ccu2 Firmware, Eq-3 Homematic Ccu3 Firmware.

How do I fix CVE-2019-9584?

No fix has been published for CVE-2019-9584 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-9584 being exploited?

There is no known exploitation of CVE-2019-9584 in the wild and no public exploit code.

Sources

Also known as GHSA-3w4f-995x-62ph.