CVE-2021-39796

HighCVSS 7.3/10Last modified Jun 17, 2026

Description

In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1021

Affected software

No affected versions have been published.

Timeline

Published
Apr 12, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-397977.8In several functions of of LauncherApps.java, there is a possible escalation of privilege due to a logic error in the code. This could lead CVE-2021-397987.8In Bitmap_createFromParcel of Bitmap.cpp, there is a possible arbitrary code execution due to a missing bounds check. This could lead to locCVE-2021-397997.8In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to lCVE-2021-39807.5elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized ActorCVE-2021-398005.5In ion_ioctl of ion-ioctl.c, there is a possible way to leak kernel head data due to a use after free. This could lead to local information CVE-2021-398017.8In ion_ioctl of ion-ioctl.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege wiCVE-2021-398027.8In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass. This could lead to lCVE-2021-398036.5In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information discloCVE-2021-398046.5In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of servCVE-2021-398056.5In l2cble_process_sig_cmd of l2c_ble.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote infCVE-2021-398067.8In closef of label_backends_android.c, there is a possible way to corrupt memory due to a double free. This could lead to local escalation oCVE-2021-398077.8In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission
CVE-2021-39796: High severity, CVSS 7.3 | Vulnix