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Fencer Vulns
medium 5.7

CVE-2021-25507 json

Improper authorization vulnerability in Samsung Flow mobile application prior to 4.8.03.5 allows Samsung Flow PC application connected with…

published 2021-11-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12403

cvss
5.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

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.

Patch / fix

  • Samsung Mobile Samsung Flow 4.8.03.5

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.7 AV:A/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Samsung Mobile Samsung Flow

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.