Samsung Mobile Devices Race Condition Vulnerability

MEDIUM 6.4EXPLOITED (CISA KEV)CVE-2021-25395 · Published 11/06/2021 · updated 17/06/2026

Samsung Mobile Devices Race Condition Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 29/06/2023. Patch affected systems as an emergency.

In short

CVE-2021-25395 is a MEDIUM (CVSS 6.4) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 29/06/2023.
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 30.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
Mobile Devices Samsung	Versions not published yet (product named by CISA KEV)

Description

A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.

References

security.samsungmobile.com/securityUpdate.smsb · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-25395

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