Home/CVE/IGEL OS Use of a Key Past its Expiration Date Vulnerability
CVE

CVE-2025-47827

IGEL OS Use of a Key Past its Expiration Date Vulnerability

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.

MEDIUM · CVSS 4.6 ⚠ CISA KEV EPSS 0.00997
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

16
igel os< 11.01.100
microsoft windows 10 1507< 10.0.10240.21161
microsoft windows 10 1607< 10.0.14393.8519
microsoft windows 10 1809< 10.0.17763.7919
microsoft windows 10 21h2< 10.0.19044.6456
microsoft windows 10 22h2< 10.0.19045.6456
microsoft windows 11 22h2< 10.0.22621.6060
microsoft windows 11 23h2< 10.0.22631.6060
⚠

Public Exploits & PoCs

1
pocgithub.com · CVE-2025-47827github.com
▣

Scoring & Timeline

4.6
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jun 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
msrcCVE-2025-47827Security Feature Bypass
cisaKEV-CVE-2025-47827
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/Zedeldi/igelfsProduct
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827US Government Resource
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