CVE-2025-21079Network attack vector

Privileged activity launch via improperly validated URL

Published Nov 5, 2025 · Updated Nov 5, 2025

Improper input validation in Samsung Members before 5.5.01.3 allows remote attackers to launch arbitrary activities with app privileges. Samsung has not disclosed the input locus or the validation error that accepts an attacker-controlled URL and dispatches an arbitrary activity. Exploitation requires user interaction and is bounded to URL connections and activity launches carrying Samsung Members privileges.

CVSS severity7.1
High
EPSS probability0.54%
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 Members before 5.5.01.3 allows remote attackers to launch arbitrary activities with app privileges. Samsung has not disclosed the input locus or the validation error that accepts an attacker-controlled URL and dispatches an arbitrary activity. Exploitation requires user interaction and is bounded to URL connections and activity launches carrying Samsung Members privileges.

The record

CVE
CVE-2025-21079
Published
Nov 5, 2025
Updated
Nov 5, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Members
Classifications
Unavailable
Attack vector
network
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

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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 vectornetwork
Required privilegesunauthenticated

What is affected?

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

Published CVSS scores

8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
7.1Samsung MobileCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

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)
Vectornetwork
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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