Samsung GalaxyDiagnostics up to 3.5.49 access control

Summaryinfo

A vulnerability was found in Samsung GalaxyDiagnostics up to 3.5.49 and classified as critical. Impacted is an unknown function. The manipulation results in access control. This vulnerability is known as CVE-2026-20987. Attacking locally is a requirement. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Samsung GalaxyDiagnostics up to 3.5.49. Affected is an unknown code. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper input validation in GalaxyDiagnostics prior to version 3.5.050 allows local privileged attackers to execute privileged commands.

The advisory is available at security.samsungmobile.com. This vulnerability is traded as CVE-2026-20987 since 12/11/2025. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 3.5.050 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Samsung

Name

• GalaxyDiagnostics

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.5.17
• 3.5.18
• 3.5.19
• 3.5.20
• 3.5.21
• 3.5.22
• 3.5.23
• 3.5.24
• 3.5.25
• 3.5.26
• 3.5.27
• 3.5.28
• 3.5.29
• 3.5.30
• 3.5.31
• 3.5.32
• 3.5.33
• 3.5.34
• 3.5.35
• 3.5.36
• 3.5.37
• 3.5.38
• 3.5.39
• 3.5.40
• 3.5.41
• 3.5.42
• 3.5.43
• 3.5.44
• 3.5.45
• 3.5.46
• 3.5.47
• 3.5.48
• 3.5.49

License

• commercial

Website

• Vendor: https://www.samsung.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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