What is CVE-2020-0099?

CVE-2020-0099 is a vulnerability in the Android operating system that allows for a window overlay attack, potentially leading to local privilege escalation.

What is the severity of CVE-2020-0099?

CVE-2020-0099 has a severity rating of 7.8 (High).

Which versions of Android are affected by CVE-2020-0099?

Versions 8.0, 8.1, 9.0, and 10.0 of Google Android are affected by CVE-2020-0099.

How can an attacker exploit CVE-2020-0099?

An attacker can exploit CVE-2020-0099 by utilizing a window overlay attack, such as tapjacking, to escalate their privileges.

How can I mitigate CVE-2020-0099?

To mitigate CVE-2020-0099, it is recommended to update your Android device to the latest version available from Google.

Vulnerability/
CVE-2020-0099

critical

9.3

CWE

1188

7/12/2020

14/12/2020

26/8/2024

CVE-2020-0099

First published: Mon Dec 07 2020(Updated: )

In addWindow of WindowManagerService.java, there is a possible window overlay attack due to an insecure default value. This could lead to local escalation of privilege via tapjacking with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-141745510

Credit: security@android.com

Affected Software	Affected Version	How to fix
Android
Android	=8.0
Android	=8.1
Android	=9.0
Android	=10.0

Remedy

https://source.android.com/security/bulletin/2020-12-01

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Reference Links

Frequently Asked Questions

What is CVE-2020-0099?
CVE-2020-0099 is a vulnerability in the Android operating system that allows for a window overlay attack, potentially leading to local privilege escalation.
What is the severity of CVE-2020-0099?
CVE-2020-0099 has a severity rating of 7.8 (High).
Which versions of Android are affected by CVE-2020-0099?
Versions 8.0, 8.1, 9.0, and 10.0 of Google Android are affected by CVE-2020-0099.
How can an attacker exploit CVE-2020-0099?
An attacker can exploit CVE-2020-0099 by utilizing a window overlay attack, such as tapjacking, to escalate their privileges.
How can I mitigate CVE-2020-0099?
To mitigate CVE-2020-0099, it is recommended to update your Android device to the latest version available from Google.

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version/android/10.0

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