CVE-2021-25372
Samsung Mobile Devices Improper Boundary Check Vulnerability
- Medium 6.1
- Exploited: added to CISA KEV 29 Jun 2023
Description
An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
Key facts
- Published
- 26 Mar 2021
- Last changed
- 14 Jan 2026
- Assigned by
- Samsung Mobile
- KEV added
- 29 Jun 2023
- KEV fix due
- 20 Jul 2023
- EPSS
- 0.804% likely to be exploited in the next 30 days, higher than 57.314% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 6.1CVSS 3.1, Mediumfrom the CNA (Samsung Mobile)
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailableCISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Samsung Mobile | Samsung Mobile Devices |
|
Timeline
- 26 Mar 2021 Published
- 29 Jun 2023 Added to the CISA KEV catalogue