Samsung Devices up to SMR Mar-2021 Release 1 access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k2.35+

Summaryinfo

A vulnerability classified as problematic has been found in Samsung Devices. This impacts an unknown function. This manipulation causes access control. This vulnerability is registered as CVE-2026-21098. The attack needs to be launched locally. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Samsung Devices and classified as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper access control in Link to Windows prior to SMR Sep-2026 Release 1 allows local attackers to establish a connection with the PC without proper user interaction.

It is possible to read the advisory at security.samsungmobile.com. This vulnerability is known as CVE-2026-21098 since 12/11/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version SMR Sep-2026 Release 1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Devices SMR Sep-2026 Release 1

Timelineinfo

12/11/2025 CVE reserved
09/09/2026 +271 days Advisory disclosed
09/09/2026 +0 days VulDB entry created
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2026-21098 (🔒)
GCVE (CVE): GCVE-0-2026-21098
GCVE (VulDB): GCVE-100-401575

Entryinfo

Created: 09/09/2026 07:13
Changes: 09/09/2026 07:13 (65)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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