Improper access control in the backup mechanism of the Bosch Smart Home Controller (SHC)
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bosch | Smart Home Controller | before 9.8.905 | 9.8.905 | Patch available | CNA |
- Smart Home Controller VendorBosch Affected before 9.8.905 Fixed in 9.8.905 Patch available CNA
Remediation
- Fix · CNA Smart Home Controller (Bosch) Fixed in 9.8.905
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Bosch Smart Home Controller 9.8.905
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2019-08918 Improper access control in the JSON-RPC interface of the Bosch Smart Home Controller (SHC)Priority LOW 37
- TI-2019-08917 Incorrect privilege assignment in the app pairing mechanism of the Bosch Smart Home Controller (SHC)Priority LOW 36
- TI-2019-08919 Incorrect privilege assignment in the app permission update API of the Bosch Smart Home Controller (SHC)Priority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11894
- 2026-10-03 Alias added: GHSA-24rh-9j38-whw9
References
More Bosch Smart Home Controller Firmware vulnerabilities
- TI-2019-08918 Improper access control in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) CVSS 3.1HIGH 8.0
- TI-2019-08917 Incorrect privilege assignment in the app pairing mechanism of the Bosch Smart Home Controller (SHC) CVSS 3.1HIGH 8.0
- TI-2019-08919 Incorrect privilege assignment in the app permission update API of the Bosch Smart Home Controller (SHC) CVSS 3.1HIGH 8.0
- TI-2019-08922 Incorrect pviilege assignment in the 3rd party pairing mechanism of the Bosch Smart Home Controller (SHC) CVSS 3.1HIGH 7.1
- TI-2019-08921 Improper access control in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) CVSS 3.1MEDIUM 5.3
Sources
- CVE-2019-11894 · CVE Program
- CVE-2019-11894 · NVD
- FIRST EPSS
- GHSA-24rh-9j38-whw9 · GitHub Advisory Database · CC BY 4.0
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