CVE-2021-25371

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 6.1Exploit: cisa kev · ssvc activeExposed: 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)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
55%
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 61× in last 7d / 258× 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 933 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2021-25371?
CVE-2021-25371 is a critical 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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