CVE-2021-25487

7.8 highKEVEPSS 0.6%

High (7.8) in Samsung Mobile Devices. In CISA KEV since 2023-06-29. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2023-06-29, due 2023-07-20
CWE: CWE-125
Published: 2021-10-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

samsung:android

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487

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