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CVE-2021-25371 (GCVE-0-2021-25371)

Vulnerability from cvelistv5 – Published: 2021-03-26 18:24 – Updated: 2025-10-21 23:25
VLAI CISA Previdian
Summary
A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 21:25 UTC
CWE
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

Vulnerability ID: CVE-2021-25371

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 Unspecified Vulnerability | Affected: Samsung / Mobile Devices | Description: Samsung mobile devices contain an unspecified vulnerability within DSP driver that allows attackers to load ELF libraries inside DSP. | 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-2021-25371

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-912
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 Unspecified 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

Vulnerability ID: CVE-2021-25371

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: A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP. | 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 A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.
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

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  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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