CVE-2021-25507

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-05 · updated 2026-06-17
Weakness: CWE-285

Description

Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with user device to access part of notification data in Secure Folder without authorization.

Affected products

Samsung Mobile Samsung Flow: before 4.8.03.5 — fixed in 4.8.03.5

How to fix

Upgrade to a fixed version: Samsung Mobile Samsung Flow 4.8.03.5. Check the vendor advisory for mitigations.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=11
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=11

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