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Jwt Attack CVE-2026-21002

| EUVD-2026-12321 MEDIUM
Improper Verification of Cryptographic Signature (CWE-347)
2026-03-16 SamsungMobile
Information Disclosure Jwt Attack
5.9
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
EUVD ID Assigned
Mar 16, 2026 - 05:00 euvd
EUVD-2026-12321
Analysis Generated
Mar 16, 2026 - 05:00 vuln.today
CVE Published
Mar 16, 2026 - 04:32 nvd
MEDIUM 5.9

DescriptionNVD

Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.

AnalysisAI

Galaxy Store prior to version 4.6.03.8 contains an improper cryptographic signature verification vulnerability that allows a local attacker to install arbitrary applications without proper authorization. An attacker with physical or local access to a device can bypass the signature validation mechanism, enabling installation of malicious or unauthorized apps. …

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RemediationAI

Within 30 days: Identify affected systems running Galaxy Store and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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CVE-2026-21002 vulnerability details – vuln.today
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