CVE-2021-25369

CRITICALNVD 6.29.0▲
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 6.2 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: 6.2Exploit: 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 access control vulnerability in sec_log file prior to SMR MAR-2021 Release 1 exposes sensitive kernel information to userspace.

CVSS v3
6.2
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
65%
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-2021-25369
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 65× in last 7d / 267× 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 982 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2021-25369?
CVE-2021-25369 is a critical vulnerability published on March 26, 2021. An improper access control vulnerability in sec_log file prior to SMR MAR-2021 Release 1 exposes sensitive kernel information to userspace.
When was CVE-2021-25369 disclosed?
CVE-2021-25369 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-2021-25369 actively exploited?
Yes. CISA added CVE-2021-25369 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-2021-25369?
CVE-2021-25369 has a CVSS v3 base score of 6.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2021-25369?
CVE-2021-25369 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-2021-25369?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25369, 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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