Google Android 10.0/11.0/12.0/13.0 UsbRequest.java queue use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Google Android 10.0/11.0/12.0/13.0. This impacts the function queue of the file UsbRequest.java. The manipulation leads to use after free. This vulnerability is listed as CVE-2023-20920. The attack must be carried out locally. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Google Android 10.0/11.0/12.0/13.0 (Smartphone Operating System). This issue affects the function queue of the file UsbRequest.java. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was presented 01/27/2023 as A-204584366. It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2023-20920 since 11/03/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/03/2025). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25088). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2022 🔍
01/27/2023 +85 days 🔍
01/27/2023 +0 days 🔍
09/03/2025 +950 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-204584366
Status: Confirmed

CVE: CVE-2023-20920 (🔍)
GCVE (CVE): GCVE-0-2023-20920
GCVE (VulDB): GCVE-100-219503
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/27/2023 10:49
Updated: 09/03/2025 17:50
Changes: 01/27/2023 10:49 (42), 09/03/2025 17:50 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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