Vulnerability details

CVE-2025-47827

Actively exploited

IGEL IGEL OS

CVSS 3.1

4.6Medium

Remedy

Required action (CISA): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due: 2025-11-04)

Official 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 scores

Score	Version	Source	Vector
4.6Medium	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Affected products

Vendor	Product	Versions	Source
No product information recorded.

References and advisories

https://github.com/Zedeldi/igelfs
https://github.com/Zedeldi/CVE-2025-47827
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827 government-resource

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Details

Published: 2025-06-05
Last updated: 2026-02-26
State: Published
Assigner (CNA): mitre
Kolun priority: 70 · High

CISA KEV catalog

Date added: 2025-10-14
Due date: 2025-11-04
Used in ransomware: Unknown

Exploit prediction (EPSS)

5.15%

Probability of exploitation in 30 days

92.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Active
Technical impact: Partial

Weaknesses (CWE)

CWE-347
Improper Verification of Cryptographic Signature