November 13, 2026

CVE Watchtower

CVE-2025-47827

NVDCVSS scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0

Vulnerability 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 Level
HIGH(8.4)
Published Date
Jun 5, 2025
Last Modified
Jun 10, 2025
Exploitation Status
ACTIVE
Root Weakness (CWE)
CWE-347 β†—
See the MITRE CWE entry for the full definition of this weakness.
CVSS v3.1 Base Metrics — Score 8.4 (HIGH)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
Not provided by NVD for this CVE.
Patched Versions
No patched version published yet
Until a fix ships, reduce exposure:
  • Restrict access to the affected service or interface to trusted networks.
  • Disable the affected feature if you do not need it.
  • Watch the vendor advisory for a firmware or software update.

What to do

Patch now. CISA lists this flaw as exploited in the wild and set a federal remediation deadline of Nov 4, 2025.

  1. Check whether you run the affected product and which version.
  2. No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
  3. Subscribe to the vendor advisory so you learn when a fix ships.
  4. Review logs and exposed services for signs of earlier compromise.

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.

CISA KEV Status

Listed in Known Exploited Vulnerabilities
Added: Oct 14, 2025
Remediation due: Nov 4, 2025 (deadline passed)

Timeline

  • Jun 5, 2025Published
  • Jun 10, 2025Record last modified
  • Oct 14, 2025Added to CISA KEV catalog
  • Nov 4, 2025KEV remediation due date

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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Related Coverage

External References

Data last checked: Nov 13, 2026 13:08 (site time)