CVE-2019-15743

CVE-2019-15743 is a medium-severity vulnerability in Sony Xperia Touch Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-610.

Key facts

Description

The Sony Xperia Touch Android device with a build fingerprint of Sony/blanc_windy/blanc_windy:7.0/LOIRE-SMART-BLANC-1.0.0-170530-0834/1:user/dev-keys contains a pre-installed app with a package name of com.sonymobile.android.maintenancetool.testmic app (versionCode=24, versionName=7.0) 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 audio to external storage.

Frequently asked questions

What is CVE-2019-15743?
The Sony Xperia Touch Android device with a build fingerprint of Sony/blanc_windy/blanc_windy:7.0/LOIRE-SMART-BLANC-1.0.0-170530-0834/1:user/dev-keys contains a pre-installed app with a package name of com.sonymobile.android.maintenancetool.testmic app (versionCode=24, versionName=7.0) 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 audio to external storage.
How severe is CVE-2019-15743?
CVE-2019-15743 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-15743 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15743?
CVE-2019-15743 affects Sony Xperia Touch Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15743?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15743 published?
CVE-2019-15743 was published on 2019-11-14 and last updated on 2026-06-17.

References

Affected products (1)

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