SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-25355

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

HIGH 7.8EPSS 0.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.22% probability · 12th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-285, CWE-276
Affected
samsung/notes
Source
mobile.security@samsung.com
EPSS trend
0%3%5%26 October 2026: 0.22%26 October 202626 October 2026

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.