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
55%
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 63× in last 7d / 265× 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 948 total refreshes for this CVE.

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