What is the CVSS score of CVE-2019-11892?

CVE-2019-11892 has a CVSS 3.1 base score of 8.0 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Smart Home Controller Firmware CVE-2019-11892

HIGH

Improper Access Control (CWE-284)

2019-05-29 psirt@bosch.com

Authentication Bypass Smart Home Controller Firmware

8.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.0 HIGH

AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 29, 2019 - 20:29 nvd

HIGH 8.0

DescriptionNVD

A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in reading or modification of the SHC's configuration or triggering and restoring backups. In order to exploit the vulnerability, the adversary needs to have successfully paired an app or service, which requires user interaction.

AnalysisAI

A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in reading or modification of the SHC's. Rated high severity (CVSS 8.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in reading or modification of the SHC's configuration or triggering and restoring backups. In order to exploit the vulnerability, the adversary needs to have successfully paired an app or service, which requires user interaction. Affected products include: Bosch Smart Home Controller Firmware. Version information: before 9.8.905.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.