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CVE-2021-25372

Samsung Mobile Devices Improper Boundary Check

6.1 MEDIUMActively exploited (CISA KEV)EPSS 0.80%
  1. Published26 Mar 2021
  2. Added to CISA KEV29 Jun 2023
  3. Remediation due20 Jul 2023
Actively exploited (CISA KEV)

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

Added to KEV: 29 Jun 2023Federal remediation due: 20 Jul 2023

Description

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

CVSS 3.1 breakdown

Attack vectorPhysical
Attack complexityHigh
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Samsung Android10.0 · 11.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2021-25372 being actively exploited?

Yes. CVE-2021-25372 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 29 Jun 2023.

How severe is CVE-2021-25372?

CVE-2021-25372 has a CVSS 3.1 base score of 6.1, rated medium. EPSS estimates a 0.80% probability of exploitation.

Which products are affected by CVE-2021-25372?

Affected products include Samsung Android.

How do I fix CVE-2021-25372?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-25372 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.