Is CVE-2021-25337 in the CISA KEV catalog?

Yes. CVE-2021-25337 is on the CISA Known Exploited Vulnerabilities list, added 2022-11-08.

What is the CVSS severity of CVE-2021-25337?

CVE-2021-25337 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2021-25337?

CVE-2021-25337 has an EPSS score of 2.83% (85th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-25337

MEDIUMCISA KEVEPSS 85th pctl

4.4

CVSS v3

NVD

Description

Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.

CWE-269Improper Privilege Management

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploit Intelligence

2.83%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Samsung Mobile Devices Improper Access Control Vulnerability

Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.

Apply updates per vendor instructions.

Remediation due: 2022-11-29

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-30.