CVE-2026-21103: CWE-35: Path Traversal in Samsung Mobile Samsung Mobile Devices
CVE-2026-21103 is a path traversal vulnerability in the GalaxyDiagnostics component of Samsung Mobile Devices prior to the SMR September 2026 Release 1. This flaw allows physical attackers to access files with system-level privileges. The vulnerability has a medium severity rating with a CVSS score of 6.8. No patch or official remediation has been confirmed yet.
AI Analysis
Technical Summary
This vulnerability involves a path traversal issue (CWE-35) in the GalaxyDiagnostics software on Samsung Mobile Devices before the SMR September 2026 Release 1. Exploiting this flaw, an attacker with physical access can access files with system privileges, potentially exposing sensitive system files. The CVSS 4.0 vector indicates the attack requires physical access (AV:P), has low complexity (AC:L), no privileges or user interaction required, but results in high impact on confidentiality and integrity. No vendor advisory or patch information is currently available.
Potential Impact
An attacker with physical access to a vulnerable Samsung Mobile Device can exploit this path traversal vulnerability to access files with system privileges. This could lead to unauthorized disclosure or modification of sensitive system files. The impact on confidentiality and integrity is high, but availability is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict physical access to affected devices to mitigate risk.
CVE-2026-21103: CWE-35: Path Traversal in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21103 is a path traversal vulnerability in the GalaxyDiagnostics component of Samsung Mobile Devices prior to the SMR September 2026 Release 1. This flaw allows physical attackers to access files with system-level privileges. The vulnerability has a medium severity rating with a CVSS score of 6.8. No patch or official remediation has been confirmed yet.
CVSS v4.0
Score 6.8medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a path traversal issue (CWE-35) in the GalaxyDiagnostics software on Samsung Mobile Devices before the SMR September 2026 Release 1. Exploiting this flaw, an attacker with physical access can access files with system privileges, potentially exposing sensitive system files. The CVSS 4.0 vector indicates the attack requires physical access (AV:P), has low complexity (AC:L), no privileges or user interaction required, but results in high impact on confidentiality and integrity. No vendor advisory or patch information is currently available.
Potential Impact
An attacker with physical access to a vulnerable Samsung Mobile Device can exploit this path traversal vulnerability to access files with system privileges. This could lead to unauthorized disclosure or modification of sensitive system files. The impact on confidentiality and integrity is high, but availability is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict physical access to affected devices to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.829Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa13d67acd9273b493465b0
Added to database: 09/09/2026, 11:05:11 UTC
Last enriched: 09/09/2026, 11:07:39 UTC
Last updated: 09/09/2026, 22:52:09 UTC
Views: 9
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