CVE-2021-25351

Account logout via unprotected EmailValidationView

Published Mar 25, 2021 · Updated Aug 3, 2024

Improper authorization in Samsung Account before 10.7.0.7 and 12.1.1.3 allows physically proximate attackers to log out an account. EmailValidationView permits the logout operation without obtaining the user's password, exposing a protected account action without proper authorization. Physical access to the device and user interaction are required; the documented consequence is termination of the local account session.

CVSS severity3.2
Low
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Samsung Account before 10.7.0.7 and 12.1.1.3 allows physically proximate attackers to log out an account. EmailValidationView permits the logout operation without obtaining the user's password, exposing a protected account action without proper authorization. Physical access to the device and user interaction are required; the documented consequence is termination of the local account session.

The record

CVE
CVE-2021-25351
Published
Mar 25, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Account
Classifications
CWE-285
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 25, 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=Android P(9.0) and below <10.7.07
  2. Affected versionversion=Android Q(10.0) <12.1.1.3

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Accountversion=Android P(9.0) and below <10.7.07; version=Android Q(10.0) <12.1.1.3

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:P/A:N
3.2Samsung MobileCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
2.4NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/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)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization

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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