CVE-2019-11894: Improper access control in the backup mechanism of the Bosch Smart Home Controller (SHC)

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-05-29 · updated 2026-06-17
Weakness: CWE-284

Description

A potential improper access control vulnerability exists in the backup mechanism of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in unauthorized download of a backup. In order to exploit the vulnerability, the adversary needs to download the backup directly after a backup triggered by a legitimate user has been completed.

Affected products

Bosch Smart Home Controller: before 9.8.905 — fixed in 9.8.905

How to fix

Upgrade to a fixed version: Bosch Smart Home Controller 9.8.905. Check the vendor advisory for mitigations.

References

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