Security readout for executives and security teams
Plain-English summary
CVE-2021-33075 is a firmware race-condition issue in some Intel Optane SSD, Intel Optane SSD DC, and Intel SSD DC products. A local user with privileges could potentially cause a denial of service, affecting availability rather than data confidentiality or integrity.
Executive priority
Treat this as a targeted availability risk, not a broad remote compromise issue. Prioritize critical servers and storage-dependent services, especially where downtime has business impact or local privileged access is broadly delegated.
Technical view
The CVE maps to CWE-362 and has CVSS 3.1 score 4.7: local access, high attack complexity, low privileges, no user interaction, unchanged scope, and high availability impact only. The public bundle does not enumerate exact affected firmware versions beyond vendor references.
Likely exposure
Exposure is limited to environments using the listed Intel/Solidigm SSD product families where a user or process has local privileged access. Internet-facing exploitation is not indicated by the CVSS vector or provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The requirement for local access, privileges, and high attack complexity reduces broad exploitation likelihood, but affected storage infrastructure may still face availability risk.
Researcher notes
The key gap is product and firmware specificity: the CVE record defers to vendor references. Analysis should focus on advisory model matrices, firmware versions, and operational impact of denial of service in affected storage deployments.
Mitigation direction
- Review Intel SA-00563 for affected models and vendor firmware guidance.
- Review Solidigm SA-000563 for successor advisory details and updates.
- Prioritize firmware remediation on servers where SSD availability affects critical services.
- Restrict local privileged access to systems using affected SSD product families.
Validation and detection
- Inventory Intel Optane SSD, Intel Optane SSD DC, and Intel SSD DC deployments.
- Compare installed drive models and firmware against Intel and Solidigm advisory details.
- Confirm whether local privileged users or workloads can access affected systems.
- Track remediation evidence through asset inventory and firmware version records.
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-362: 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-2021-33075 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
- 4.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/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:H/PR:L/UI:N/S:U/C:N/I:N/A:H13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.7MediumVector: CVSS:3.1/AV:L/AC:H/PR:L/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-00563.htmlCVE reference · x_refsource_MISC
- https://www.solidigm.com/content/dam/newco-aem-site/master/site/support/Solidigm%20SA-000563%20rev1.1.pdfCVE 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.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.