CVE-2021-1031: Low severity Google Android vulnerability
In cancelNotificationsFromListener of NotificationManagerService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/platform/frameworks/baseto a version that resolves this vulnerability.Fixed in 12:2021-12-01
Event History
Frequently Asked Questions
What is the severity of CVE-2021-1031?
CVE-2021-1031 has a medium severity rating due to the potential for local information disclosure.
How do I fix CVE-2021-1031?
To fix CVE-2021-1031, users should update their Android devices to the latest security patch provided by the manufacturer.
Which versions of Android are affected by CVE-2021-1031?
CVE-2021-1031 specifically affects Android version 12.0.
What type of vulnerability is CVE-2021-1031?
CVE-2021-1031 is an information disclosure vulnerability that allows apps to determine the installation status of other applications.
Is additional execution privilege required to exploit CVE-2021-1031?
No, exploiting CVE-2021-1031 requires no additional execution privileges.