Security readout for executives and security teams
Plain-English summary
CVE-2021-0124 is an Intel processor firmware access-control issue. A user who already has privileges and physical access may be able to escalate privileges. The business risk is highest for servers, appliances, or workstations where physical access is possible and firmware updates are unmanaged.
Executive priority
Treat this as a moderate-priority firmware governance issue, not a mass remote compromise scenario. Prioritize high-value systems, appliances, and locations where physical access control is weaker or where firmware maintenance historically lags.
Technical view
The CVE describes improper access control in firmware for some Intel processors. CVSS 3.1 is 6.6, with physical attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. Exact affected processor versions are not included in the provided bundle.
Likely exposure
Exposure likely depends on hardware inventory and firmware level. Systems using affected Intel processor firmware are relevant, including platforms covered by Intel and potentially NetApp advisory guidance. Internet-facing status alone is not the key exposure factor because the CVSS vector requires physical access.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The attack context is constrained: the actor needs physical access and some privilege before escalation. That lowers broad remote risk but still matters for shared facilities, branch offices, labs, and hardware appliances.
Researcher notes
The source bundle lacks exact affected processor families, fixed firmware versions, and detailed vendor mitigations. Use Intel SA-00527 as the primary source for scope. Avoid assuming exploit availability or remote reachability; the CVSS vector is physical access with low privileges.
Mitigation direction
- Review Intel SA-00527 for affected processor and firmware guidance.
- Check OEM BIOS or firmware advisories for impacted platforms.
- Review NetApp NTAP-20220210-0007 where NetApp systems are in scope.
- Restrict physical access to potentially affected systems.
- Track firmware remediation through normal vulnerability management workflows.
Validation and detection
- Inventory Intel processor models and current firmware or BIOS versions.
- Map systems against Intel SA-00527 affected-product guidance.
- Check vendor appliance advisories, including NetApp where applicable.
- Confirm firmware updates or compensating controls are recorded.
- Prioritize systems in less controlled physical environments.
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-2021-0124 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
- 6.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H0.75.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.6MediumVector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/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.