Home/CVE/An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in pla
CVE

CVE-2021-25376

An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in pla

An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.

LOW · CVSS 3.1 EPSS 0.00247
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules6 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-662Improper Synchronization
▤

Affected Products & Versions

1
samsung email< 6.1.41.0
◈

Sigma Hunt Rules

6
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighEmail Exifiltration Via Powershell
producthighPassword Protected ZIP File Opened (Email Attachment)
productmediumMicrosoft 365 - User Restricted from Sending Email
productmediumSuspicious Email Delivered In Microsoft 365
productmediumGoogle Workspace Out Of Domain Email Forwarding
productmediumPowershell Local Email Collection
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · mobile.security@samsung.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Apr 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.samsungmobile.com/Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsbVendor Advisory
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