Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Igel | Igel Os | < 11.01.100 |
| Microsoft | Windows 10 1507 | < 10.0.10240.21161 |
| Microsoft | Windows 10 1607 | < 10.0.14393.8519 |
| Microsoft | Windows 10 1809 | < 10.0.17763.7919 |
| Microsoft | Windows 10 21H2 | < 10.0.19044.6456 |
| Microsoft | Windows 10 22H2 | < 10.0.19045.6456 |
| Microsoft | Windows 11 22H2 | < 10.0.22621.6060 |
| Microsoft | Windows 11 23H2 | < 10.0.22631.6060 |
| Microsoft | Windows 11 24H2 | < 10.0.26100.6899 |
| Microsoft | Windows 11 25H2 | < 10.0.26200.6899 |
| Microsoft | Windows Server 2012 | - |
| Microsoft | Windows Server 2016 | < 10.0.14393.8519 |
| Microsoft | Windows Server 2019 | < 10.0.17763.7919 |
| Microsoft | Windows Server 2022 | < 10.0.20348.4294 |
| Microsoft | Windows Server 2022 23H2 | < 10.0.25398.1913 |
| Microsoft | Windows Server 2025 | < 10.0.26100.6899 |
Related Weaknesses (CWE)
References
- https://github.com/Zedeldi/CVE-2025-47827ExploitThird Party Advisory
- https://github.com/Zedeldi/igelfsProduct
- https://github.com/Zedeldi/CVE-2025-47827ExploitThird Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-US Government Resource
FAQ
What is CVE-2025-47827?
CVE-2025-47827 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 unver...
How severe is CVE-2025-47827?
CVE-2025-47827 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-47827?
Check the references section above for vendor advisories and patch information. Affected products include: Igel Igel Os, Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2.