CVE-2022-20449

Name: CVE-2022-20449
Creator: NVD / NIST
Published: 2022-12-13T16:15:15.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2022-20449 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. In writeApplicationRestrictionsLAr of UserManagerService.java, there is a possible overwrite of system files due to a path traversal error. This could lead to local denial of service with System execution privileges needed. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

In writeApplicationRestrictionsLAr of UserManagerService.java, there is a possible overwrite of system files due to a path traversal error. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-239701237

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.15%

4.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0
Google	Android	12.0
Google	Android	13.0

References

https://source.android.com/security/bulletin/2022-12-01Vendor Advisory
https://source.android.com/security/bulletin/2022-12-01Vendor Advisory

Timeline

Published: Dec 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20449?

How severe is CVE-2022-20449?

CVE-2022-20449 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20449?

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-2022-20449?

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

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Source: NVD / NIST