CVE-2026-21021: CWE-20: Improper Input Validation in Samsung Mobile Samsung Mobile Devices
CVE-2026-21021 is a medium severity vulnerability in Samsung Mobile Devices caused by improper input validation in routines prior to the SMR May-2026 Release 1. This flaw allows physical attackers to launch privileged activities on affected devices. The vulnerability has a CVSS 4. 0 base score of 5. 1, indicating a moderate risk. There is no official patch or remediation level currently provided by the vendor, and no known exploits in the wild have been reported. The vulnerability affects Samsung Mobile Devices but specific affected versions are not detailed. The vendor has not published any advisory or patch links at this time.
AI Analysis
Technical Summary
This vulnerability arises from improper input validation in certain routines on Samsung Mobile Devices before the SMR May-2026 Release 1. It enables a physical attacker to trigger privileged activities without requiring user interaction or privileges. The CVSS 4.0 vector indicates the attack requires physical access (AV:P), has low complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), and results in high impact on availability (VA:H). No official remediation or patch information is currently available, and no exploits are known in the wild.
Potential Impact
The vulnerability allows physical attackers to launch privileged activities on affected Samsung Mobile Devices, potentially compromising device integrity or availability. The CVSS score of 5.1 reflects a medium severity impact. Since no exploits are known in the wild and no patch is currently available, the risk is moderate but should be monitored closely.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit physical access to affected devices to reduce risk. Monitor Samsung Mobile security advisories for updates regarding patches or mitigations.
CVE-2026-21021: CWE-20: Improper Input Validation in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21021 is a medium severity vulnerability in Samsung Mobile Devices caused by improper input validation in routines prior to the SMR May-2026 Release 1. This flaw allows physical attackers to launch privileged activities on affected devices. The vulnerability has a CVSS 4. 0 base score of 5. 1, indicating a moderate risk. There is no official patch or remediation level currently provided by the vendor, and no known exploits in the wild have been reported. The vulnerability affects Samsung Mobile Devices but specific affected versions are not detailed. The vendor has not published any advisory or patch links at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper input validation in certain routines on Samsung Mobile Devices before the SMR May-2026 Release 1. It enables a physical attacker to trigger privileged activities without requiring user interaction or privileges. The CVSS 4.0 vector indicates the attack requires physical access (AV:P), has low complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), and results in high impact on availability (VA:H). No official remediation or patch information is currently available, and no exploits are known in the wild.
Potential Impact
The vulnerability allows physical attackers to launch privileged activities on affected Samsung Mobile Devices, potentially compromising device integrity or availability. The CVSS score of 5.1 reflects a medium severity impact. Since no exploits are known in the wild and no patch is currently available, the risk is moderate but should be monitored closely.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit physical access to affected devices to reduce risk. Monitor Samsung Mobile security advisories for updates regarding patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.804Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0414eecbff5d86106d9577
Added to database: 5/13/2026, 6:06:38 AM
Last enriched: 5/13/2026, 6:22:05 AM
Last updated: 5/13/2026, 5:59:47 PM
Views: 9
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