What is the CVSS score of CVE-2019-11896?

CVE-2019-11896 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Smart Home Controller Firmware CVE-2019-11896

HIGH

Improper Access Control (CWE-284)

2019-05-29 psirt@bosch.com

Authentication Bypass Smart Home Controller Firmware

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 29, 2019 - 21:29 nvd

HIGH 7.1

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.1), this vulnerability is no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. 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. Affected products include: Bosch Smart Home Controller Firmware. Version information: before 9.8.907.

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.