CVE-2025-47827 (GCVE-0-2025-47827)

Vulnerability from cvelistv5 – Published: 2025-06-05 00:00 – Updated: 2026-02-26 17:51
VLAI CISA KEVIntel
Summary
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
4.6 (Medium)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • n/a
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 54ed79ab-52dd-453f-af67-52767e354b2c

Vulnerability ID: CVE-2025-47827

Status: Confirmed

Status Updated: 2025-10-14 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-10-14
Asserted: 2025-10-14
Scope
Notes: KEV entry: IGEL OS Use of a Key Past its Expiration Date Vulnerability | Affected: IGEL / IGEL OS | Description: IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image. | 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. | Due date: 2025-11-04 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 ; https://nvd.nist.gov/vuln/detail/CVE-2025-47827
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-324
Feed CISA Known Exploited Vulnerabilities Catalog
Product IGEL OS
Due Date 2025-11-04
Date Added 2025-10-14
Vendorproject IGEL
Vulnerabilityname IGEL OS Use of a Key Past its Expiration Date Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:25 UTC | Updated: 2026-02-06 07:17 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: edb734a9-10a6-454d-b4ed-45913c787a94

Vulnerability ID: CVE-2025-47827

Status: Confirmed

Status Updated: 2026-06-01 10:42 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a... | Affected: IGEL Technology / IGEL OS | CVSS: 4.6 (MEDIUM) | EPSS: 0.03528 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a...
Vendor IGEL Technology
Product IGEL OS
Added Date 2026-06-01T10:42:10.399Z
Cvss Score 4.6
Epss Score 0.03528
Cvss Severity MEDIUM
Epss Percentile 0.8774
Used In Malware unknown
Ahead Of Cisa Kev 
{
  "count": 1,
  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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