CVE-2021-25372
Samsung Mobile Devices Improper Boundary Check Vulnerability
Samsung Mobile Devices
An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 29 June 2023. US federal agencies were required to remediate it by 20 July 2023.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 0.8%, which is higher than 55.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2021-25372 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2021-25372.
What does CVE-2021-25372 affect?
CVE-2021-25372 affects Samsung Mobile Devices. An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
How severe is CVE-2021-25372?
CVE-2021-25372 is rated MEDIUM with a CVSS base score of 6.1. EPSS puts the probability of exploitation in the next 30 days at 0.8%, higher than 55.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 20 July 2023.
How should organisations respond to CVE-2021-25372?
Apply the vendor patch for Samsung Mobile Devices as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.