CVE-2019-11893 - CVE House
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Status published Medium CVE-2019-11893

Incorrect privilege assignment in the app permission update API of the Bosch Smart Home Controller (SHC)

Vulnerability Description

A potential incorrect privilege assignment vulnerability exists in the app permission update API of the Bosch Smart Home Controller (SHC) before 9.8.905 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 with restricted permissions, which required user interaction.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Philip Kazmeier

References

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Affected Vendor

Affected Software

Smart Home Controller
Vulnerable Versions:
unspecified

Timeline

Official Publish: May 29th, 2019
Last Modified: September 16th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses (CWE)

CWE-266

MITRE ATT&CK TTPs

T1078 Valid Accounts
Persistence
T1098 Account Manipulation
Privilege Escalation
T1548 Abuse Elevation Control Mechanism
Privilege Escalation
T1484 Domain or Tenant Policy Modification
Defense Evasion
T1021 Remote Services
Lateral Movement