What’s Vulnerable › Vulnerabilities

CVE-2021-25376

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-09 · updated 2026-06-17
• Weakness: CWE-200

Description

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.

Affected products

• Samsung Mobile Samsung Email: before 6.1.41.0 — fixed in 6.1.41.0

How to fix

Upgrade to a fixed version: Samsung Mobile Samsung Email 6.1.41.0. Check the vendor advisory for mitigations.

References

• https://security.samsungmobile.com/
• https://security.samsungmobile.com/serviceWeb.smsb
• https://security.samsungmobile.com/
• https://security.samsungmobile.com/serviceWeb.smsb

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