Is CVE-2021-25489 actively exploited?

CVE-2021-25489 has no public evidence of in-the-wild exploitation as of 2025-10-30.

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

CVE-2021-25489 has a CVSS score of 3.3 (LOW severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2021-25489?

Patch guidance is available from samsung security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-25489.

CVE-2021-25489 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-25489?

28 products: samsung android, samsung android, samsung android, samsung android, samsung android, and 23 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-20 · Improper Input Validation CWE-134

Metadata

Primary Vendor: SAMSUNG
Published: 10/6/2021
Last Modified: 10/30/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

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Remediation Guidance

Executive Summary

View on NIST NVD