Is CVE-2021-25487 actively exploited?

CVE-2021-25487 has no public evidence of in-the-wild exploitation as of 2025-10-30.

What is the CVSS score for CVE-2021-25487?

CVE-2021-25487 has a CVSS score of 7.3 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

How do I patch CVE-2021-25487?

Patch guidance is available from samsung security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-25487.

Fix CVE-2021-25487 - HIGH samsung android

Q: Which products are affected by CVE-2021-25487?

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

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: changed
Confidentiality: high
Integrity: low
Availability: none
Weaknesses: CWE-125 · Out-of-bounds Read CWE-125 · Out-of-bounds Read

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

samsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : androidsamsung : android

Remediation Guidance

Executive Summary

View on NIST NVD