CVE-2025-21076

Local data disclosure via missing authorization verification

Published Nov 5, 2025 · Updated Nov 5, 2025

Incorrect authorization in Samsung Account before 15.5.00.18 allows local users to access account data with user interaction. Samsung has not disclosed the affected component or request that lacks authorization, but states that the patch adds proper authorization verification logic. Exploitation requires a local attack path and user interaction; the reported consequence is limited to disclosure of Samsung Account data.

CVSS severity5.5
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Samsung Account before 15.5.00.18 allows local users to access account data with user interaction. Samsung has not disclosed the affected component or request that lacks authorization, but states that the patch adds proper authorization verification logic. Exploitation requires a local attack path and user interaction; the reported consequence is limited to disclosure of Samsung Account data.

The record

CVE
CVE-2025-21076
Published
Nov 5, 2025
Updated
Nov 5, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Account
Classifications
Unavailable
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 5, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung AccountAffected versions are unavailable in this record.

Published CVSS scores

5.5Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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