CVE-2021-25370

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 2022-11-08), 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.

An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.

CVSS v3
6.1
EG Score
9.0(high)
EPSS
55.1%
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-2021-25370
generic

Samsung Mobile Security

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

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 95× in last 7d / 404× 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 577 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2021-25370?
CVE-2021-25370 is a medium vulnerability published on March 26, 2021. An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.
When was CVE-2021-25370 disclosed?
CVE-2021-25370 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-2021-25370 actively exploited?
Yes. CISA added CVE-2021-25370 to the Known Exploited Vulnerabilities catalog on November 8, 2022, 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-2021-25370?
CVE-2021-25370 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-2021-25370?
CVE-2021-25370 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-2021-25370?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25370, 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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