How severe is CVE-2025-47827?

CVE-2025-47827 has a CVSS 3.1 base score of 4.6 (MEDIUM). EPSS estimates a 4.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

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

CISA Known Exploited Vulnerabilities

IGEL OS Use of a Key Past its Expiration Date Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-10-14

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.

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 ; https://nvd.nist.gov/vuln/detail/CVE-2025-47827

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.

Severity

CVSS 3.1 · CISA4.6 MEDIUM

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

2 Links

Other references

Record Details

Published

2025-06-05

Last updated

2026-02-26

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.