CVE-2021-25504

Contact disclosure via improper intent redirection

Published Nov 5, 2021 · Updated Aug 3, 2024

Intent redirection in Samsung Electronics Group Sharing before 10.8.03.2 allows local users to access stored contact information. Samsung identifies improper intent redirection but has not published the affected entry point or the exact validation failure applied to incoming intents. Exploitation requires local execution but no prior privilege or user interaction; the reported consequence is limited to contact confidentiality.

CVSS severity4.0
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Intent redirection in Samsung Electronics Group Sharing before 10.8.03.2 allows local users to access stored contact information. Samsung identifies improper intent redirection but has not published the affected entry point or the exact validation failure applied to incoming intents. Exploitation requires local execution but no prior privilege or user interaction; the reported consequence is limited to contact confidentiality.

The record

CVE
CVE-2021-25504
Published
Nov 5, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics
Product
Group Sharing
Classifications
CWE-20, T1409
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 5, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=- <10.8.03.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics · Group Sharingversion=- <10.8.03.2

Published CVSS scores

4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
2.1NIST NVDAV:L/AC:L/Au:N/C:P/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1409Stored Application Data

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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