Google Android 13.0 Audio Server Effect.cpp parameterToHal 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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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Google Android 13.0. This impacts the function parameterToHal of the file Effect.cpp of the component Audio Server. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2022-20539. The attack needs to be launched locally. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android 13.0 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is the function parameterToHal of the file Effect.cpp of the component Audio Server. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In parameterToHal of Effect.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege in the audio server with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-237291425

The weakness was published 12/16/2022 as A-237291425. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2022-20539 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/20/2026). 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-2022-25799). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 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

10/14/2021 🔍
12/16/2022 +428 days 🔍
12/16/2022 +0 days 🔍
04/20/2026 +1221 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-237291425
Status: Confirmed

CVE: CVE-2022-20539 (🔍)
GCVE (CVE): GCVE-0-2022-20539
GCVE (VulDB): GCVE-100-216115
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2022 21:48
Updated: 04/20/2026 23:08
Changes: 12/16/2022 21:48 (44), 01/14/2023 10:48 (11), 04/18/2025 19:59 (16), 04/20/2026 23:08 (1)
Complete: 🔍
Cache ID: 216::103

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