CVE-2021-25372

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.

An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.

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
54%
KEV
⚠ Exploited

Published

March 26, 2021

Last Modified

January 14, 2026

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-2021-25372
generic

Samsung Mobile Security

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 61× in last 7d / 263× 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 733 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2021-25372?
CVE-2021-25372 is a critical vulnerability published on March 26, 2021. An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
When was CVE-2021-25372 disclosed?
CVE-2021-25372 was first published in the National Vulnerability Database on March 26, 2021, with the most recent update on January 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-25372 actively exploited?
Yes. CISA added CVE-2021-25372 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-2021-25372?
CVE-2021-25372 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-2021-25372?
CVE-2021-25372 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-2021-25372?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25372, 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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