CVE-2025-47827

CRITICALNVD 4.69.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-10-14), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 4.6 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 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: 5%CVSS: 4.6Exploit: cisa kev · ssvc active · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.

CVSS v3
4.6
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
5%
EPSS %ILE
92%
KEV
⚠ Exploited

Published

June 5, 2025

Last Modified

November 5, 2025

Advisory Details (4)

Auto-updated Jun 13, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, 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-2025-47827
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
generic🟡 PoC Available

GitHub - Zedeldi/CVE-2025-47827: PoC and vulnerability report for CVE-2025-47827. · GitHub

https://github.com/Zedeldi/CVE-2025-47827
generic

GitHub - Zedeldi/igelfs: Python implementation of the IGEL filesystem. · GitHub

https://github.com/Zedeldi/igelfs

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 95× in last 7d / 395× 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 1,423 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCZedeldi/CVE-2025-47827
    First seen May 20, 2025

    PoC and vulnerability report for CVE-2025-47827.

    Open source ↗

Frequently asked(6)

What is CVE-2025-47827?
CVE-2025-47827 is a critical vulnerability published on June 5, 2025. In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
When was CVE-2025-47827 disclosed?
CVE-2025-47827 was first published in the National Vulnerability Database on June 5, 2025, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-47827 actively exploited?
Yes. CISA added CVE-2025-47827 to the Known Exploited Vulnerabilities catalog on October 14, 2025, affecting IGEL IGEL OS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-47827?
CVE-2025-47827 has a CVSS v3 base score of 4.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2025-47827?
CVE-2025-47827 affects IGEL IGEL OS. 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-2025-47827?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-47827, 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-2025-47827

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