CVE-2021-1034

Name: CVE-2021-1034
Creator: NVD / NIST
Published: 2021-12-15T19:15:14.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-1034 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.11%

1.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Google	Android	12.0

References

https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1034?

How severe is CVE-2021-1034?

CVE-2021-1034 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1034?

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-2021-1034?

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

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Source: NVD / NIST