CVE-2021-0334

In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811

Affected

Android

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2021-02-10

Updated

2024-08-03

Proof-of-concept exploits (2)

• ShaikUsaf/frameworks_base_AOSP10_r33_CVE-2021-03340★ · 2022-04-01
• Trinadh465/frameworks_base_AOSP_r33_CVE_2021-03340★ · 2022-04-21

Security advisories

• https://source.android.com/security/bulletin/2021-02-01

References

• CVE Record
• NVD entry

Related

• CVE-2020-0137
• CVE-2020-0188
• CVE-2020-0226
• CVE-2020-0240
• CVE-2020-0380
• CVE-2020-0394