Android USBRequest.java Use-After-Free LPE
CVE-2023-20920 Published on January 26, 2023

In queue of UsbRequest.java, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-204584366

NVD

Vulnerability Analysis

CVE-2023-20920 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2023-20920 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2023-20920

Want to know whenever a new CVE is published for Google Android? stack.watch will email you.

Google Android
 

Exploit Probability

EPSS
0.04%
Percentile
11.75%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.