CVE-2025-47827
MEDIUM CISA KEV EPSS 88.7%
Published Jun 5, 20251y ago · Modified Jun 17, 20262w ago
4.6 CVSS 3.1
Published Jun 5, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Oct 14, 2025 8mo ago
KEV Due Nov 4, 2025 239d overdue
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Physical
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
CISA Known Exploited Overdue 239d
- Added
- Oct 14, 2025
- Due
- Nov 4, 2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS Exploit Probability
88.7% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available
Weaknesses 1
CWE-347
Affected Products 20
| Vendor | Product | Version | Range |
|---|---|---|---|
| igel | igel_os | * | <11.01.100 |
| microsoft | windows_10_1507 | * | <10.0.10240.21161 |
| microsoft | windows_10_1507 | * | <10.0.10240.21161 |
| microsoft | windows_10_1607 | * | <10.0.14393.8519 |
| microsoft | windows_10_1607 | * | <10.0.14393.8519 |
| microsoft | windows_10_1809 | * | <10.0.17763.7919 |
| 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 | * | any |
| microsoft | windows_server_2012 | r2 | any |
| 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 |
References 4
- github.com https://github.com/Zedeldi/CVE-2025-47827
- github.com https://github.com/Zedeldi/igelfs
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.