Security readout for executives and security teams
Plain-English summary
CVE-2021-0092 is a firmware access-control issue in some Intel processors. A local user who already has high privileges could cause a denial of service. The business risk is primarily outage or instability, not data theft or remote compromise based on the provided sources.
Executive priority
Treat this as a targeted availability risk. It is not shown as remotely exploitable or actively exploited in the provided sources, but firmware issues can be operationally sensitive. Address through normal firmware governance, with priority for critical infrastructure and NetApp environments.
Technical view
The CVE describes improper access control in processor firmware, mapped to CWE-400, with CVSS 3.1 score 4.4. The vector is local, low complexity, high privileges required, no user interaction, unchanged scope, and high availability impact only.
Likely exposure
Exposure is limited to systems using the affected Intel processors listed in Intel SA-00527. The source bundle does not include exact models, firmware versions, CPEs, or complete downstream product impact. NetApp has a related advisory, so NetApp environments should check that guidance.
Exploitation context
The source bundle does not state active exploitation, and KEV is false. Exploitation requires local access and high privileges. The expected impact is denial of service, not confidentiality or integrity compromise, according to the CVSS vector and CVE description.
Researcher notes
Do not assume broader impact beyond the advisories. The key constraints are AV:L and PR:H, with A:H as the only impact metric. Affected version details and fix status must be taken from Intel, OEM, or NetApp guidance, not inferred.
Mitigation direction
- Review Intel SA-00527 for affected processor and firmware guidance.
- Check OEM BIOS or firmware advisories for impacted servers and endpoints.
- Review NetApp advisory NTAP-20220210-0007 if NetApp products are in scope.
- Prioritize remediation on critical systems where availability loss is business-impacting.
Validation and detection
- Inventory systems by Intel processor model and firmware or BIOS version.
- Compare inventory against Intel SA-00527 and OEM advisories.
- Check NetApp asset exposure against NTAP-20220210-0007 where applicable.
- Confirm remediation through firmware or BIOS version evidence after updates.
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.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-0092 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
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H0.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00527.htmlCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220210-0007/CVE reference · x_refsource_CONFIRM
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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.