CVE-2025-47827

Published: Jun 5, 2025Modified: Nov 5, 2025CISA KEV

4.6

Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 0.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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.

Affected (20)

Products: Igel: Igel Os · Microsoft: Windows 10 1507, Windows 10 1607, Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 22h2, Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

1 product

15 products

Windows Server 2022 23h2

Windows Server 2025

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Igel Igel Os	Before 11.01.100

Configuration B

19 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1507	Before 10.0.10240.21161
Microsoft Windows 10 1507	Before 10.0.10240.21161
Microsoft Windows 10 1607	Before 10.0.14393.8519
Microsoft Windows 10 1607	Before 10.0.14393.8519
Microsoft Windows 10 1809	Before 10.0.17763.7919
Microsoft Windows 10 1809	Before 10.0.17763.7919
Microsoft Windows 10 21h2	Before 10.0.19044.6456
Microsoft Windows 10 22h2	Before 10.0.19045.6456
Microsoft Windows 11 22h2	Before 10.0.22621.6060
Microsoft Windows 11 23h2	Before 10.0.22631.6060
Microsoft Windows 11 24h2	Before 10.0.26100.6899
Microsoft Windows 11 25h2	Before 10.0.26200.6899
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.8519
Microsoft Windows Server 2019	Before 10.0.17763.7919
Microsoft Windows Server 2022	Before 10.0.20348.4294
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1913
Microsoft Windows Server 2025	Before 10.0.26100.6899