CVE-2025-20971

Local data disclosure via improper input validation

Published May 7, 2025 · Updated May 7, 2025

Improper input validation in Samsung Flow before 4.9.17.6 allows local users to access data stored within the application. Samsung has not disclosed the affected input, code locus, or validation operation; its advisory states only that the patch adds proper input validation. Exploitation requires low-privilege local access on a compatible Samsung mobile device and affects confidentiality without reported data modification or service interruption.

CVSS severity5.5
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Samsung Flow before 4.9.17.6 allows local users to access data stored within the application. Samsung has not disclosed the affected input, code locus, or validation operation; its advisory states only that the patch adds proper input validation. Exploitation requires low-privilege local access on a compatible Samsung mobile device and affects confidentiality without reported data modification or service interruption.

The record

CVE
CVE-2025-20971
Published
May 7, 2025
Updated
May 7, 2025
Vendor
Samsung Electronics
Product
Samsung Flow
Classifications
CWE-20, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 7, 2025CVE publishedPublication date reported by the CVE source.
  2. May 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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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 privilegesauthenticated

What is affected?

Samsung Electronics · Samsung FlowAffected versions are unavailable in this record.

Published CVSS scores

5.5Samsung MobileCVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1005Data from Local System

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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