Google Android 10.0/11.0/12.0/13.0 avdt_msg.cc avdt_msg_asmbl out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Android 10.0/11.0/12.0/13.0. Affected is the function avdt_msg_asmbl of the file avdt_msg.cc. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2022-20411. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Google Android 10.0/11.0/12.0/13.0 (Smartphone Operating System) and classified as critical. Affected by this issue is the function avdt_msg_asmbl of the file avdt_msg.cc. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In avdt_msg_asmbl of avdt_msg.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth 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-232023771

The weakness was released 12/13/2022 as A-232023771. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2022-20411 since 10/14/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/13/2026). 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-2022-25671). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

10/14/2021 🔍
12/13/2022 +425 days 🔍
12/13/2022 +0 days 🔍
04/13/2026 +1217 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-232023771
Status: Confirmed

CVE: CVE-2022-20411 (🔍)
GCVE (CVE): GCVE-0-2022-20411
GCVE (VulDB): GCVE-100-215456
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/13/2022 18:46
Updated: 04/13/2026 10:27
Changes: 12/13/2022 18:46 (43), 01/07/2023 16:00 (11), 04/23/2025 05:58 (16), 04/13/2026 10:27 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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