Vulnerability in Igel Igel_os
CVE-2025-47827
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.
EPSS: 0.040 (89.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 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.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2025-47827?
- CVE-2025-47827 is a medium-severity vulnerability in Igel Igel_os, classified under Improper Verification of Cryptographic Signature. CVSS score: 4.6/10. Published 2025-06-05.
- How severe is CVE-2025-47827?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2025-47827 known to be exploited?
- Yes. CVE-2025-47827 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-14), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.