Security readout for executives and security teams
Plain-English summary
This is a firmware flaw in some Intel NUC devices. A person who already has privileged local access could potentially raise privileges further. The source bundle does not provide a CVSS score, affected model list, or patch details beyond Intel’s advisory reference.
Executive priority
Treat this as a targeted firmware hygiene issue rather than an internet-scale emergency. Prioritize environments using Intel NUCs in sensitive roles, because firmware-level privilege escalation can undermine host trust.
Technical view
CVE-2021-0054 is described as improper buffer restrictions in Intel NUC system firmware. The stated impact is potential escalation of privilege via local access by a privileged user. Evidence is limited to the CVE description and Intel-SA-00511 reference.
Likely exposure
Exposure is likely limited to organizations using Intel NUC hardware covered by Intel-SA-00511. The bundle says affected versions are in the references, but does not enumerate models or firmware versions here.
Exploitation context
The provided bundle does not cite active exploitation, public exploit use, or CISA KEV listing. The attack context is local and requires an already privileged user, based on the CVE description.
Researcher notes
The public bundle is sparse: no CVSS, CWE, affected model list, exploit evidence, or explicit fix text is included. Analysis should stay tied to Intel-SA-00511 and the CVE record until the advisory is reviewed directly.
Mitigation direction
- Review Intel-SA-00511 for affected NUC models and firmware guidance.
- Inventory Intel NUC devices and record current firmware versions.
- Apply vendor-recommended firmware updates when applicable.
- Restrict local administrative access on affected NUC systems.
- Monitor Intel advisory updates for model-specific remediation details.
Validation and detection
- Confirm whether deployed hardware includes Intel NUC systems.
- Compare device models against Intel-SA-00511 affected product guidance.
- Check firmware versions against Intel’s advisory remediation guidance.
- Verify local privileged access is limited to approved administrators.
- Document remediation status for each identified NUC device.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-0054 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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-00511.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.