How severe is CVE-2025-47827?

CVE-2025-47827 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-47827 being actively exploited?

Yes. CVE-2025-47827 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-10-14, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-47827?

CVE-2025-47827 primarily affects Igel Igel Os. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-47827?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-47827 have an EU (EUVD) identifier?

Yes. CVE-2025-47827 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16999. It is also flagged as exploited in the EUVD (since 2025-10-14).

When was CVE-2025-47827 published?

CVE-2025-47827 was published on 2025-06-05 and last updated on 2026-06-17.

CVE-2025-47827

CVE-2025-47827 is a medium-severity vulnerability in Igel Igel Os with a CVSS 3.x base score of 4.6. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-10-14). The underlying weakness is classified as CWE-347.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-10-14)
EU (EUVD) id: EUVD-2025-16999
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-10-14)
Weakness: CWE-347
Affected product: Igel Igel Os
Published: 2025-06-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-47827?: CVE-2025-47827 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-47827 being actively exploited?: Yes. CVE-2025-47827 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-10-14, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-47827?: CVE-2025-47827 primarily affects Igel Igel Os. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-47827?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-47827 have an EU (EUVD) identifier?: Yes. CVE-2025-47827 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16999. It is also flagged as exploited in the EUVD (since 2025-10-14).
When was CVE-2025-47827 published?: CVE-2025-47827 was published on 2025-06-05 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:o:igel:igel_os:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

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