CVE-2026-21053: CWE-20 Improper input validation in Samsung Mobile Samsung Email
Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-21053 affects Samsung Email versions before 6.2.13.1. It stems from improper input validation (CWE-20), which enables local attackers to create arbitrary files inside the application sandbox. This could potentially lead to unauthorized file creation impacting application behavior or data integrity. The CVSS 4.0 vector indicates local attack vector with low complexity and no required privileges or user interaction. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
Local attackers can exploit this vulnerability to create arbitrary files within the Samsung Email application sandbox. This may lead to unauthorized data manipulation or persistence within the app environment. The impact is limited to the application sandbox and does not indicate privilege escalation or remote exploitation capabilities based on the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should limit local access to trusted parties and monitor for updates from Samsung Mobile regarding this vulnerability.
CVE-2026-21053: CWE-20 Improper input validation in Samsung Mobile Samsung Email
Description
Improper input validation in Samsung Email prior to version 6.2.13.1 allows local attackers to create arbitrary files within the application sandbox.
CVSS v4.0
Score 5.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-21053 affects Samsung Email versions before 6.2.13.1. It stems from improper input validation (CWE-20), which enables local attackers to create arbitrary files inside the application sandbox. This could potentially lead to unauthorized file creation impacting application behavior or data integrity. The CVSS 4.0 vector indicates local attack vector with low complexity and no required privileges or user interaction. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
Local attackers can exploit this vulnerability to create arbitrary files within the Samsung Email application sandbox. This may lead to unauthorized data manipulation or persistence within the app environment. The impact is limited to the application sandbox and does not indicate privilege escalation or remote exploitation capabilities based on the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should limit local access to trusted parties and monitor for updates from Samsung Mobile regarding this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.820Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a50809768715ace4306379a
Added to database: 07/10/2026, 05:18:15 UTC
Last enriched: 07/17/2026, 09:59:28 UTC
Last updated: 08/23/2026, 22:52:09 UTC
Views: 89
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