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Samsung · Mobile Devices

CVE-2021-25372

Samsung Mobile Devices Improper Boundary Check Vulnerability

CISA KEV record

CISA date added
2023-06-29
CISA due date
2023-07-20
Known ransomware use
Unknown

NVD risk context

6.7 MEDIUM

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Local
An attacker needs local access to the affected system.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
High
The attacker needs substantial privileges before exploiting the issue.
User interaction
None
No action by another user is required.

Description

Samsung mobile devices contain an improper boundary check vulnerability within DSP driver that allows for out-of-bounds memory access.

Required action

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

NVD reference index

Vendor and remediation references

NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.

Other NVD references (1)

MITRE CWE context

CWE classification

NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Mar 26, 2021, 07:15 PM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 03:41 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

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CISA notes

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=3; https://nvd.nist.gov/vuln/detail/CVE-2021-25372