CVE-2019-2231

Name: CVE-2019-2231
Creator: NVD / NIST
Published: 2019-12-06T23:15:12.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2019-2231 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. In Blob::Blob of blob.cpp, there is a possible unencrypted master key due to improper input validation. This could lead to local information disclosure with System execution privileges needed. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

In Blob::Blob of blob.cpp, there is a possible unencrypted master key due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10Android ID: A-141955555

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.10%

0.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-311

Affected Software

Vendor	Product	Versions
Google	Android	9.0
Google	Android	10.0

References

https://source.android.com/security/bulletin/2019-12-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2019-12-01Patch, Vendor Advisory

Timeline

Published: Dec 6, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-2231?

How severe is CVE-2019-2231?

CVE-2019-2231 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2019-2231?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-2231?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST