CVE-2021-25487 HIGH

CVE-2021-25487

Vendor Samsung Mobile
Product Samsung Mobile Devices
Weakness CWE-125
KEV Status Known Exploited
Published October 6, 2021
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

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

Key dates

03Disclosure timeline

October 6, 2021 CVE published
October 21, 2025 Record updated