What’s Vulnerable › Vulnerabilities

CVE-2021-25355

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-25 · updated 2026-06-17
• Weakness: CWE-285

Description

Using unsafe PendingIntent in Samsung Notes prior to version 4.2.00.22 allows local attackers unauthorized action without permission via hijacking the PendingIntent.

Affected products

• Samsung Mobile Samsung Notes: before 4.2.00.22 — fixed in 4.2.00.22

How to fix

Upgrade to a fixed version: Samsung Mobile Samsung Notes 4.2.00.22. 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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