CVE-2021-39776

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In NFC, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-192614125

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Mar 30, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-397775.5In Telephony, there is a possible way to determine whether an app is installed, without query permissions, due to a missing permission checkCVE-2021-397785.5In Telecomm, there is a possible way to determine whether an app is installed, without query permissions, due to improper input validation. CVE-2021-397795.5In getCallStateUsingPackage of Telecom Service, there is a missing permission check. This could lead to local information disclosure of the CVE-2021-39785.5When copying files with rsync, octorpki uses the "-a" flag 0, which forces rsync to copy binaries with the suid bit set as root. Since the pCVE-2021-397807.8In Traceur, there is a possible bypass of developer settings requirements for capturing system traces due to a missing permission check. ThiCVE-2021-397817.8In SmsController, there is a possible information disclosure due to a permissions bypass. This could lead to local escalation of privilege aCVE-2021-397827.8In Telephony, there is a possible unauthorized modification of the PLMN SIM file due to a missing permission check. This could lead to localCVE-2021-397837.8In rcsservice, there is a possible way to modify TTY mode due to a missing permission check. This could lead to local escalation of privilegCVE-2021-397847.8In CellBroadcastReceiver, there is a possible path to enable specific cellular features due to a missing permission check. This could lead tCVE-2021-397866.7In NFC, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System CVE-2021-397877.8In SystemUI, there is a possible arbitrary Activity launch due to a confused deputy. This could lead to local escalation of privilege with nCVE-2021-397885.5In TelecomManager, there is a possible way to check if a particular self managed phone account was registered on the device due to side chan
CVE-2021-39776: High severity, CVSS 7.8 | Vulnix