CVE-2021-25395

CVE-2021-25395 is a medium-severity (CVSS 6.4) vulnerability in Samsung Mobile Devices. CISA added it to the Known Exploited Vulnerabilities catalog on June 29, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 20, 2023. CISA does not currently list it as used in ransomware campaigns. Samsung has 15 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

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.

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

• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25395