CVE-2021-39782

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In Telephony, there is a possible unauthorized modification of the PLMN SIM file due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-202760015

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-269

Affected software

VendorProductVersions
n/aAndroidAndroid-12L

References

Timeline

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

Related CVEs from 2021

CVE-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 chanCVE-2021-397897.8In Telecom, there is a possible leak of TTY mode change due to a missing permission check. This could lead to local escalation of privilege CVE-2021-39796.5A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encrypCVE-2021-397907.8In Dialer, there is a possible way to manipulate visual voicemail settings due to a missing permission check. This could lead to local escalCVE-2021-397915.5In WallpaperManagerService, there is a possible way to determine whether an app is installed, without query permissions, due to side channelCVE-2021-397924.1In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to CVE-2021-397937.8In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. This could leaCVE-2021-397947.8In broadcastPortInfo of AdbService.java, there is a possible way for apps to run code as the shell user, if wireless debugging is enabled, d
CVE-2021-39782: High severity, CVSS 7.8 | Vulnix