CVE-2025-47827
Last modified
CVE-2025-47827 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.82% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Igel | 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 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.6899 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.6899 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.8519 |
| Microsoft | Windows Server 2019 | < 10.0.17763.7919 |
| Microsoft | Windows Server 2022 | < 10.0.20348.4294 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.1913 |
| Microsoft | Windows Server 2025 | < 10.0.26100.6899 |
References
- https://github.com/Zedeldi/CVE-2025-47827Exploit, Third Party Advisory
- https://github.com/Zedeldi/CVE-2025-47827Exploit, Third Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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