CVE-2019-11896 Incorrect pviilege assignment in the 3rd party pairing mechanism of the Bosch Smart Home Controller (SHC)

Medium 5.5 Published 29 May 2019 Updated 16 Sep 2024

A privilege escalation flaw in Bosch Smart Home Controller allows restricted apps to gain default permissions after successful pairing.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-11896?

CVE-2019-11896 is a medium-severity vulnerability in Bosch Smart Home Controller, published on 29 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A potential incorrect privilege assignment vulnerability exists in the 3rd party pairing mechanism of the Bosch Smart Home Controller (SHC) before 9.8.907 that may result in a restricted app obtaining default app permissions. In order to exploit the vulnerability, the adversary needs to have successfully paired an app, which requires user interaction.

Weakness: CWE-269, CWE-284

Which versions are affected by CVE-2019-11896?

It affects 1 product.

Products include Bosch Smart Home Controller Firmware.

How do I fix CVE-2019-11896?

No fix has been published for CVE-2019-11896 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-11896 being exploited?

There is no known exploitation of CVE-2019-11896 in the wild and no public exploit code.

Sources

Also known as GHSA-qfhr-mxhr-cf29.