MEDIUMCVSS 4.6Actively exploited · CISA KEV since 2025-10-14Vulnerability

CVE-2025-47827

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.

Properties

Vulnerability name
IGEL OS Use of a Key Past its Expiration Date Vulnerability
First seen
2026-02-26T17:51:07+00:00
Cvss score
4.6
Epss score
0.04927
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-11-04
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2025-10-14T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-10-14
Score
4.6
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
4.6
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor project
IGEL

Related Entities (23)

AFFECTS_PRODUCT (20)

→[Product]cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:igel:igel_os:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]IGEL OS Use of a Key Past its Expiration Date Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Verification of Cryptographic Signature

INVOLVES (1)

←[Signal]kev_added · 2025-10-14

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CVE-2025-47827 (CVSS 4.6) — Ninja Signal Threat Intelligence | Ninja Signal