Google Android 10.0/11.0/12.0/13.0 AutomaticZenRule.java allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k2.11

Summaryinfo

A vulnerability described as problematic has been identified in Google Android 10.0/11.0/12.0/13.0. This issue affects some unknown processing of the file AutomaticZenRule.java. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2022-20494. The attack needs to be performed locally. There is not any exploit available. It is advisable to implement a patch to correct 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). Affected by this issue is an unknown code block of the file AutomaticZenRule.java. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In AutomaticZenRule of AutomaticZenRule.java, there is a possible persistent DoS due to resource exhaustion. This could lead to local denial of service 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-243794204

The weakness was released 01/27/2023 as A-243794204. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2022-20494 since 10/14/2021. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-25754). Once again VulDB remains the best source 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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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 🔍
01/27/2023 +470 days 🔍
01/27/2023 +0 days 🔍
04/18/2026 +1177 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-243794204
Status: Confirmed

CVE: CVE-2022-20494 (🔍)
GCVE (CVE): GCVE-0-2022-20494
GCVE (VulDB): GCVE-100-219476
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/27/2023 10:35
Updated: 04/18/2026 03:28
Changes: 01/27/2023 10:35 (41), 02/20/2023 11:03 (12), 04/04/2025 07:39 (16), 04/18/2026 03:28 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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