CVE-2021-25369

MEDIUMNVD 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
6.2
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 1%CVSS: 6.2Exploit: NoneExposed: 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
62.8%
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 52× in last 7d / 245× 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 475 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2021-25369?
CVE-2021-25369 is a medium 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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