What is the CVSS score of CVE-2019-15475?

CVE-2019-15475 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

A3 Firmware CVE-2019-15475

MEDIUM

Externally Controlled Reference to a Resource in Another Sphere (CWE-610)

2019-11-14 cve@mitre.org

Authentication Bypass Google Qualcomm A3 Firmware

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 14, 2019 - 17:15 nvd

MEDIUM 5.5

DescriptionNVD

The Xiaomi Mi A3 Android device with a build fingerprint of xiaomi/onc_eea/onc:9/PKQ1.181021.001/V10.2.8.0.PFLEUXM:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=28, versionName=9) that allows unauthorized microphone audio recording via a confused deputy attack. This capability can be accessed by any app co-located on the device. This app allows a third-party app to use its open interface to record telephone calls to external storage.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-610. The Xiaomi Mi A3 Android device with a build fingerprint of xiaomi/onc_eea/onc:9/PKQ1.181021.001/V10.2.8.0.PFLEUXM:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=28, versionName=9) that allows unauthorized microphone audio recording via a confused deputy attack. This capability can be accessed by any app co-located on the device. This app allows a third-party app to use its open interface to record telephone calls to external storage. Affected products include: Mi A3 Firmware.

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.