Security readout for executives and security teams
Plain-English summary
CVE-2021-0055 is a local privilege escalation issue in some Intel NUC 9 Extreme Laptop Kit LAN drivers before version 10.42. An already authenticated local user could potentially gain higher privileges because inherited permissions were insecure.
Executive priority
Treat this as a targeted endpoint hygiene issue, not a broad internet-facing emergency. Prioritize organizations with Intel NUC 9 Extreme Laptop Kit deployments, especially shared or sensitive systems where local users should not gain elevated privileges.
Technical view
The source describes insecure inherited permissions in Intel NUC 9 Extreme Laptop Kit LAN Drivers before 10.42. The vulnerability requires authenticated local access and may enable escalation of privilege. No CVSS, CWE, or detailed technical root-cause data is provided in the bundle.
Likely exposure
Exposure appears limited to systems using Intel NUC 9 Extreme Laptop Kit LAN Drivers earlier than version 10.42. Organizations without this specific hardware and driver line are unlikely to be affected based on the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or other cited evidence of active exploitation. The attack context is local and authenticated, which reduces remote attack urgency but matters on shared workstations or compromised endpoints.
Researcher notes
Public detail in the supplied bundle is sparse. The key confirmed elements are affected product, pre-10.42 versions, insecure inherited permissions, local authenticated access, and potential privilege escalation. No exploit mechanics, patch notes, CVSS vector, or CWE mapping are included.
Mitigation direction
- Inventory Intel NUC 9 Extreme Laptop Kit systems and LAN driver versions.
- Upgrade affected LAN drivers to version 10.42 or later.
- Use only Intel-approved driver packages and update guidance.
- Limit local interactive access to affected systems until remediation is confirmed.
- Monitor Intel advisory INTEL-SA-00505 for any revised guidance.
Validation and detection
- Confirm installed LAN driver version on each Intel NUC 9 Extreme Laptop Kit.
- Verify remediated systems report driver version 10.42 or later.
- Check endpoint inventory for remaining pre-10.42 driver installations.
- Review local user access on affected endpoints.
- Document exceptions where update status cannot be confirmed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2021-0055 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00505.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.