How severe is CVE-2019-15471?

CVE-2019-15471 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-2019-15471 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-2019-15471?

CVE-2019-15471 affects Mi Mix 2s Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15471?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-15471 published?

CVE-2019-15471 was published on 2019-11-14 and last updated on 2026-06-17.

CVE-2019-15471

CVE-2019-15471 is a medium-severity vulnerability in Mi Mix 2s 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mi Mix 2s Firmware
Published: 2019-11-14
Last modified: 2026-06-17

Description

The Xiaomi Mi Mix 2S Android device with a build fingerprint of Xiaomi/polaris/polaris:8.0.0/OPR1.170623.032/V9.5.19.0.ODGMIFA:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=27, versionName=8.1.0) that allows other pre-installed apps to perform microphone audio recording via an accessible app component. This capability can be accessed by any pre-installed app on the device which can obtain signatureOrSystem permissions that are required by other other pre-installed apps that export their capabilities to other pre-installed app. This app allows a third-party app to use its open interface to record telephone calls to external storage.

Frequently asked questions

What is CVE-2019-15471?: The Xiaomi Mi Mix 2S Android device with a build fingerprint of Xiaomi/polaris/polaris:8.0.0/OPR1.170623.032/V9.5.19.0.ODGMIFA:user/release-keys contains a pre-installed app with a package name of com.qualcomm.qti.callenhancement app (versionCode=27, versionName=8.1.0) that allows other pre-installed apps to perform microphone audio recording via an accessible app component. This capability can be accessed by any pre-installed app on the device which can obtain signatureOrSystem permissions that are required by other other pre-installed apps that export their capabilities to other pre-installed app. This app allows a third-party app to use its open interface to record telephone calls to external storage.
How severe is CVE-2019-15471?: CVE-2019-15471 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-2019-15471 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-2019-15471?: CVE-2019-15471 affects Mi Mix 2s Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15471 published?: CVE-2019-15471 was published on 2019-11-14 and last updated on 2026-06-17.

References

https://www.kryptowire.com/android-firmware-2019/

Affected products (1)

cpe:2.3:o:mi:mix_2s_firmware:-:*:*:*:*:*:*:*

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