Security readout for executives and security teams
Plain-English summary
This is a medium-severity firmware authentication issue affecting some Intel SSD DC products. An unauthenticated person with physical access could potentially gain elevated privilege affecting drive integrity. Remote attackers are not described in the source bundle.
Executive priority
Treat as a controlled, asset-specific firmware risk. Prioritize environments where physical access is shared, outsourced, or weakly controlled, then remediate confirmed affected drives through vendor guidance.
Technical view
CVE-2021-33076 is CWE-287 improper authentication in firmware for some Intel SSD DC products. CVSS 3.1 is 5.3 with physical attack vector, low complexity, no privileges, no user interaction, changed scope, high integrity impact, and no confidentiality or availability impact.
Likely exposure
Exposure is likely limited to organizations using affected Intel SSD DC products where an attacker can physically access the device or host system. Exact affected models and firmware versions are not included in the bundle and must be verified against the Solidigm advisory.
Exploitation context
The source bundle does not cite active exploitation, and the CVE is not marked as CISA KEV. The stated prerequisite is physical access, which reduces broad internet risk but matters for shared facilities, repair workflows, and asset disposal.
Researcher notes
Evidence is limited to CVE metadata and the referenced Solidigm advisory URL. Do not assume affected firmware ranges, exploitability beyond physical access, or available fixes without reviewing the vendor advisory content.
Mitigation direction
- Inventory Intel SSD DC models and firmware versions.
- Compare inventory against the Solidigm advisory.
- Apply vendor-recommended firmware updates or mitigations when applicable.
- Restrict physical access to servers, storage trays, and retired drives.
- Include affected drives in disposal and repair-chain controls.
Validation and detection
- Confirm whether deployed drives match affected Intel SSD DC products.
- Record current firmware versions from asset management or vendor tooling.
- Check vendor advisory for fixed firmware or mitigation status.
- Verify physical access controls for systems containing affected drives.
- Document exceptions where firmware cannot be updated.
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-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2021-33076 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
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:N/UI:N/S:C/C:N/I:H/A:N0.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 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.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.