CVE-2025-47827 kev in the critical feed json
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature.
published 2025-06-05 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-16999
- cvss
- 4.6
- version 3.1, CNA
- cisa kev
- Exploited
- added 2025-10-14
- epss
- 5.2%
- EPSS 5.2% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
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.
Patch / fix
cisa 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.
- 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_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
Timeline
- Published
- Added to CISA KEV
- CISA SSVC: exploitation active
- CISA patch deadline
Known exploited
- Added
- 12 mo ago
- Patch by
- 2025-11-04 (12 mo ago)
- Ransomware
- Not known
- 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.
- Vendor, product
- IGEL, IGEL OS
- CISA name
- IGEL OS Use of a Key Past its Expiration Date Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
5.15% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Zedeldi/CVE-2025-47827 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
-
github.com
/Zedeldi/CVE-2025-47827
exploit, third-party-advisory
-
msrc.microsoft.com
/update-guide/en-US/vulnerability/CVE-2025-47827
vendor-advisory, third-party-advisory
-
github.com
/Zedeldi/igelfs
product
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827
government-resource, us-government-resource
Sources
- CVE List CVE-2025-47827
- NVD CVE-2025-47827
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.