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CVE-2021-25372 (GCVE-0-2021-25372)

Vulnerability from cvelistv5 – Published: 2021-03-26 18:25 – Updated: 2026-01-14 14:51
VLAI CISA Previdian
Summary
An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
Severity
6.1 (Medium)
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 21:24 UTC
CWE
  • CVE-703: Improper Check or Handling of Exceptional Conditions
  • CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version CPE status
Samsung Mobile Samsung Mobile Devices Affected: Q(10.0), R(11.0) devices with exynos980, exynos2100, exynos9830 , < SMR Mar-2021 Release 1 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 70159ed4-8767-4e39-b7ee-aed67be3cd37

Vulnerability ID: CVE-2021-25372

Status: Confirmed

Status Updated: 2023-06-29 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-29
Asserted: 2023-06-29
Scope
Notes: KEV entry: Samsung Mobile Devices Improper Boundary Check Vulnerability | Affected: Samsung / Mobile Devices | 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 | Due date: 2023-07-20 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=3; https://nvd.nist.gov/vuln/detail/CVE-2021-25372
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-787
Feed CISA Known Exploited Vulnerabilities Catalog
Product Mobile Devices
Due Date 2023-07-20
Date Added 2023-06-29
Vendorproject Samsung
Vulnerabilityname Samsung Mobile Devices Improper Boundary Check Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5998b0de-e15f-4b22-9534-d5448da1ca08

Vulnerability ID: CVE-2021-25372

Status: Confirmed

Status Updated: 2023-06-29 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-29
Asserted: 2023-06-29
Scope
Notes: KEVIntel entry: An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access. | Affected: Samsung Mobile / Samsung Mobile Devices | CVSS: 6.1 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
Vendor Samsung Mobile
Product Samsung Mobile Devices
Added Date 2023-06-29T00:00:00.000Z
Cvss Score 6.1
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:14 UTC | Updated: 2026-06-23 11:14 UTC
Show details on NVD website
To clipboard 

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}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.