HOMEVULNERABILITIESCVE-2019-15416
HIGH

CVE-2019-15416

NVD-CWE-noinfoPublished: November 14, 2019· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

The Sony keyaki_kddi Android device with a build fingerprint of Sony/keyaki_kddi/keyaki_kddi:7.1.1/TONE3-3.0.0-KDDI-170517-0326/1:user/dev-keys contains a pre-installed app with a package name of com.kddi.android.packageinstaller app (versionCode=70008, versionName=08.10.03) that allows other pre-installed apps to perform app installation 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 exported their capabilities to other pre-installed app.

NVD Source

Technical Analysis

CVE-2019-15416 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

sony2 product(s)
xperia xzs firmwarexperia xzs
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2019-15416
CVSS Score7.8 / 10
SeverityHIGH
CISA KEVNo
Affected1 vendor(s)
PublishedNov 14, 2019

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-15416 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.