Is CVE-2021-25489 in the CISA KEV catalog?

Yes. CVE-2021-25489 is on the CISA Known Exploited Vulnerabilities list, added 2023-06-29.

What is the CVSS severity of CVE-2021-25489?

CVE-2021-25489 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2021-25489?

CVE-2021-25489 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-25489

LOWCISA KEV

3.3

CVSS v3

NVD

Description

Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.

CWE-20Improper Input Validation CWE-134

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Samsung Mobile Devices Improper Input Validation Vulnerability

Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Remediation due: 2023-07-20

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.