CVE-2021-25370

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 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
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 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)
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
58%
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 60× in last 7d / 250× 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 902 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2021-25370?
CVE-2021-25370 is a critical 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

Explore the affected products and dependency analysis for CVE-2021-25370

Explore →

Is Your Infrastructure Affected by CVE-2021-25370?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs