CVE-2025-47827

MEDIUM4.6

CISA KEV

Published 2025-06-05 · Updated 2026-06-17 · Source cve@mitre.org

Summary

CVE-2025-47827 is a medium-severity (CVSS 4.6) vulnerability in IGEL IGEL OS. CISA added it to the Known Exploited Vulnerabilities catalog on October 14, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by November 4, 2025. CISA does not currently list it as used in ransomware campaigns.

All 1 known-exploited IGEL vulnerabilities →

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

CWE-347

CISA Known-Exploited Vulnerability

Product: IGEL — IGEL OS

Name: IGEL OS Use of a Key Past its Expiration Date Vulnerability

Date added: 2025-10-14 · 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.

References

View on NVD

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