CVE-2019-15356: The Lava Flair Z1 Android device with a build fingerprint of LAVA/Z1/Z1:8.1.0/O11019/1536680131:user/release-k

Routine

MEDIUM 5.5MITIGATE

CVE-2019-15356 is a medium-severity flaw (CVSS 5.5) affecting flair z1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Lava Flair Z1 Android device with a build fingerprint of LAVA/Z1/Z1:8.1.0/O11019/1536680131:user/release-keys contains a pre-installed app with a package name of com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) that allows any app co-located on the device to modify a system property through an exported interface without proper authorization.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Published	2019-11-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lavamobiles

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-11-14 17:15 UTCPublished CVE record published
2026-06-17 02:20 UTCUpdated Record last modified

lavamobiles flair z1 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-15356?

flair z1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-15356 being exploited?

CVE-2019-15356 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-15356 affect?

CVE-2019-15356 affects flair z1 firmware. Severity is medium (CVSS 5.5). The Lava Flair Z1 Android device with a build fingerprint of LAVA/Z1/Z1:8.1.0/O11019/1536680131:user/release-keys contains a pre-installed app with a package name of com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) that allows

How urgent is CVE-2019-15356?

Priority 25/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

Related CVEs

CVE-2019-15333 LOW 3.3 MITIGATE The Lava Flair Z1 Android device with a build fingerprint of LAVA/Z1/Z1:8.1.0/O11019/1536680131:user/release-k

References

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