Google Android 12/13/14/15 ExternalStorageProvider.java shouldHideDocument unicode encoding

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Google Android 12/13/14/15. The affected element is the function shouldHideDocument of the file ExternalStorageProvider.java. The manipulation leads to Local Privilege Escalation. This vulnerability is documented as CVE-2024-43093. The attack needs to be performed locally. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Google Android 12/13/14/15. This issue affects the function shouldHideDocument of the file ExternalStorageProvider.java. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-176. The product does not properly handle when an input contains Unicode encoding. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In shouldHideDocument of ExternalStorageProvider.java, there is a possible bypass of a file path filter designed to prevent access to sensitive directories due to incorrect unicode normalization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

It is possible to read the advisory at android.googlesource.com. The identification of this vulnerability is CVE-2024-43093 since 08/05/2024. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/16/2025).

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/07/2024 with a due date of 11/28/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Zero-Day.cz (930), EUVD (EUVD-2024-40034) and CERT Bund (WID-SEC-2025-0477). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Android

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.3
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (google_android): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper handling of unicode encoding
CWE: CWE-176 / CWE-172
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/05/2024 🔍
11/13/2024 +100 days 🔍
11/13/2024 +0 days 🔍
09/16/2025 +307 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2024-43093 (🔍)
GCVE (CVE): GCVE-0-2024-43093
GCVE (VulDB): GCVE-100-284411
EUVD: 🔍
CERT Bund: WID-SEC-2025-0477 - Android Patchday März 2025: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/13/2024 20:38
Updated: 09/16/2025 20:09
Changes: 11/13/2024 20:38 (55), 11/14/2024 06:45 (13), 11/14/2024 13:38 (12), 05/01/2025 20:18 (2), 08/27/2025 04:17 (11), 08/27/2025 05:55 (1), 09/06/2025 01:24 (7), 09/16/2025 20:09 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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