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 5y ago modified 2026-06-17 4mo 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

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

fixed in 1

Samsung Mobile Samsung Flow 4.8.03.5

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Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

CWE-285 Improper Authorization

References

security.samsungmobile.com /serviceWeb.smsb?year=2021&month=11
vendor-advisory

Sources

CVE List CVE-2021-25507
NVD CVE-2021-25507

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