CVE DATABASE / CVE-2025-47827
CVE-2025-47827
IGEL OS Use of a Key Past its Expiration Date Vulnerability
Confirmed exploited in the wild. Added 2025-10-14.
Federal remediation due 2025-11-04.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Summary
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 3.1 breakdown
| Base score | 4.6 (MEDIUM) |
| Vector | 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 |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://github.com/Zedeldi/CVE-2025-47827
- https://github.com/Zedeldi/igelfs
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-05. Always verify against the vendor advisory before acting.