CVE-2021-25371

MEDIUMNVD 6.19.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-06-29), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.1 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
6.1
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
6.1
EG Score
9.0(high)
EPSS
52.8%
KEV
⚠ Exploited

Published

March 26, 2021

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Jun 13, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25371
generic

Samsung Mobile Security

https://security.samsungmobile.com/securityUpdate.smsb
generic
https://security.samsungmobile.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 63× in last 7d / 245× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 445 total refreshes for this CVE.

  1. 2026-07-22 20:08 UTCGHSA enrichment
  2. 2026-07-22 19:40 UTCCISA KEV update
  3. 2026-07-22 16:09 UTCEG score recompute
  4. 2026-07-22 16:09 UTCGHSA enrichment
  5. 2026-07-22 14:06 UTCEPSS rescore
  6. 2026-07-22 14:06 UTCEPSS rescore
  7. 2026-07-22 12:02 UTCGHSA enrichment
  8. 2026-07-22 08:04 UTCGHSA enrichment
  9. 2026-07-22 04:06 UTCGHSA enrichment
  10. 2026-07-22 00:07 UTCGHSA enrichment
  11. 2026-07-21 18:50 UTCEG score recompute
  12. 2026-07-21 18:50 UTCGHSA enrichment
  13. 2026-07-21 15:22 UTCEPSS rescore
  14. 2026-07-21 15:22 UTCEPSS rescore
  15. 2026-07-21 14:51 UTCGHSA enrichment
  16. 2026-07-21 14:37 UTCCISA KEV update
  17. 2026-07-21 10:53 UTCGHSA enrichment
  18. 2026-07-21 06:52 UTCGHSA enrichment
  19. 2026-07-21 02:54 UTCGHSA enrichment
  20. 2026-07-20 22:54 UTCGHSA enrichment
  21. 2026-07-20 18:56 UTCEG score recompute
  22. 2026-07-20 18:56 UTCGHSA enrichment
  23. 2026-07-20 17:05 UTCEPSS rescore
  24. 2026-07-20 14:58 UTCGHSA enrichment
  25. 2026-07-20 10:59 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 07:01 UTCGHSA enrichment
  2. 2026-07-20 03:03 UTCGHSA enrichment
  3. 2026-07-19 23:04 UTCGHSA enrichment
  4. 2026-07-19 19:06 UTCGHSA enrichment
  5. 2026-07-19 15:08 UTCEG score recompute
  6. 2026-07-19 15:08 UTCGHSA enrichment
  7. 2026-07-19 14:28 UTCEPSS rescore
  8. 2026-07-19 11:10 UTCGHSA enrichment
  9. 2026-07-19 07:11 UTCGHSA enrichment
  10. 2026-07-19 03:12 UTCEG score recompute
  11. 2026-07-19 03:12 UTCGHSA enrichment
  12. 2026-07-19 02:27 UTCEPSS rescore
  13. 2026-07-19 02:27 UTCEPSS rescore
  14. 2026-07-18 23:13 UTCGHSA enrichment
  15. 2026-07-18 19:15 UTCGHSA enrichment
  16. 2026-07-18 15:16 UTCGHSA enrichment
  17. 2026-07-18 11:17 UTCEG score recompute
  18. 2026-07-18 11:17 UTCGHSA enrichment
  19. 2026-07-18 10:02 UTCEPSS rescore
  20. 2026-07-18 10:02 UTCEPSS rescore
  21. 2026-07-18 07:18 UTCGHSA enrichment
  22. 2026-07-18 03:19 UTCGHSA enrichment
  23. 2026-07-17 23:20 UTCGHSA enrichment
  24. 2026-07-17 19:22 UTCGHSA enrichment
  25. 2026-07-17 15:24 UTCGHSA enrichment
  26. 2026-07-17 11:26 UTCGHSA enrichment
  27. 2026-07-17 07:27 UTCEG score recompute
  28. 2026-07-17 07:27 UTCGHSA enrichment
  29. 2026-07-17 03:29 UTCGHSA enrichment
  30. 2026-07-16 23:30 UTCGHSA enrichment
  31. 2026-07-16 19:32 UTCGHSA enrichment
  32. 2026-07-16 17:04 UTCCISA KEV update
  33. 2026-07-16 17:00 UTCEPSS rescore
  34. 2026-07-16 15:34 UTCGHSA enrichment
  35. 2026-07-16 11:36 UTCGHSA enrichment
  36. 2026-07-16 07:38 UTCGHSA enrichment
  37. 2026-07-16 03:40 UTCGHSA enrichment
  38. 2026-07-15 23:42 UTCGHSA enrichment
  39. 2026-07-15 19:44 UTCGHSA enrichment
  40. 2026-07-15 16:55 UTCEPSS rescore
  41. 2026-07-15 16:55 UTCEPSS rescore
  42. 2026-07-15 16:49 UTCCISA KEV update
  43. 2026-07-15 15:46 UTCGHSA enrichment
  44. 2026-07-15 15:04 UTCCISA KEV update
  45. 2026-07-15 11:46 UTCGHSA enrichment
  46. 2026-07-15 07:48 UTCGHSA enrichment
  47. 2026-07-15 03:49 UTCGHSA enrichment
  48. 2026-07-15 01:58 UTCEPSS rescore
  49. 2026-07-14 23:51 UTCGHSA enrichment
  50. 2026-07-14 19:53 UTCGHSA enrichment
  51. 2026-07-14 18:05 UTCCISA KEV update
  52. 2026-07-14 15:54 UTCGHSA enrichment
  53. 2026-07-14 11:56 UTCGHSA enrichment
  54. 2026-07-14 07:58 UTCGHSA enrichment
  55. 2026-07-14 03:58 UTCGHSA enrichment
  56. 2026-07-14 00:00 UTCGHSA enrichment
  57. 2026-07-13 22:27 UTCEPSS rescore
  58. 2026-07-13 22:27 UTCEPSS rescore
  59. 2026-07-13 20:02 UTCGHSA enrichment
  60. 2026-07-13 17:07 UTCCISA KEV update
  61. 2026-07-13 16:03 UTCGHSA enrichment
  62. 2026-07-13 12:03 UTCGHSA enrichment
  63. 2026-07-13 08:04 UTCGHSA enrichment
  64. 2026-07-13 04:04 UTCGHSA enrichment
  65. 2026-07-13 00:04 UTCGHSA enrichment
  66. 2026-07-12 20:06 UTCGHSA enrichment
  67. 2026-07-12 16:08 UTCGHSA enrichment
  68. 2026-07-12 12:09 UTCGHSA enrichment
  69. 2026-07-12 08:11 UTCGHSA enrichment
  70. 2026-07-12 05:44 UTCEPSS rescore
  71. 2026-07-12 05:44 UTCEPSS rescore
  72. 2026-07-12 04:13 UTCGHSA enrichment
  73. 2026-07-12 00:12 UTCGHSA enrichment
  74. 2026-07-11 20:14 UTCGHSA enrichment
  75. 2026-07-11 16:16 UTCGHSA enrichment

Frequently asked(6)

What is CVE-2021-25371?
CVE-2021-25371 is a medium vulnerability published on March 26, 2021. A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.
When was CVE-2021-25371 disclosed?
CVE-2021-25371 was first published in the National Vulnerability Database on March 26, 2021, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-25371 actively exploited?
Yes. CISA added CVE-2021-25371 to the Known Exploited Vulnerabilities catalog on June 29, 2023, affecting Samsung Mobile Devices. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-25371?
CVE-2021-25371 has a CVSS v3 base score of 6.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2021-25371?
CVE-2021-25371 affects Samsung Mobile Devices. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-25371?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25371, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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