# CVE-2025-47827: IGEL OS Use of a Key Past its Expiration Date Vulnerability

> CVE-2025-47827: IGEL OS Use of a Key Past its Expiration Date Vulnerability. CVSS 4.6 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-47827
Last updated: 2026-06-17T09:28:44Z

- Published: 2025-06-05 00:00 UTC · Updated: 2026-06-17 09:28 UTC · Assigner: mitre
- CVSS: 4.6 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 4.9%, 92th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-10-14, federal due date 2025-11-04, ransomware use: Unknown

## 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.

## CISA 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.

## Affected vendors and products

- IGEL: IGEL OS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-47827)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-47827)
- [https://github.com/Zedeldi/CVE-2025-47827](https://github.com/Zedeldi/CVE-2025-47827)
- [https://github.com/Zedeldi/igelfs](https://github.com/Zedeldi/igelfs)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-47827 · Markdown: https://rewindex.com/cve/CVE-2025-47827.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-47827 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:42.871Z