CVE-2025-47827MEDIUM 4.6CISA KEVEPSS p87.7%

CVE-2025-47827IGEL OS Use of a Key Past its Expiration Date Vulnerability

IGEL / IGEL OS

Description

IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.

Scoring

CVSS 3.14.6 (MEDIUM)
VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS3.53% probability of exploitation · percentile 87.7% · 2026-06-18T12:00:27Z
Published2025-06-05
Last modified2025-11-05

CISA KEV entry

Added to KEV: 2025-10-14

Underlying weaknesses· 1

CWE-347

References

  1. https://github.com/Zedeldi/CVE-2025-47827
  2. https://github.com/Zedeldi/igelfs
  3. https://github.com/Zedeldi/CVE-2025-47827
  4. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
  5. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827

1

TypeTargetConfidenceTier
WeaknessImproper Verification of Cryptographic Signaturecwe-3470%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryIGEL OS Use of a Key Past its Expiration Date Vulnerabilitykev-cve-2025-478270%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.