Security readout for executives and security teams
Plain-English summary
CVE-2021-0145 is a processor-level information disclosure issue involving improper initialization of shared resources in some Intel processors. An already authenticated local user could potentially access sensitive information. The CVSS score is medium, but confidentiality impact is rated high, so shared servers and regulated environments deserve attention.
Executive priority
Treat this as a moderate-priority confidentiality risk. It is not shown as remotely exploitable or actively exploited, but it can matter where many users share systems or where affected hardware processes sensitive data.
Technical view
The CVE maps to CWE-665 and has CVSS 3.1 vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. Evidence indicates local, low-privileged authenticated access is required. The provided sources identify some Intel processors as affected and include Intel and NetApp advisories for product-specific applicability.
Likely exposure
Exposure is most likely on systems using Intel processors listed in Intel SA-00561. NetApp environments should check NTAP-20220210-0009. The bundle does not provide the affected processor model list, so inventory matching against vendor advisories is required.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires local access by an authenticated user, which lowers internet-facing risk but matters on multi-user hosts, shared infrastructure, and systems with weak account controls.
Researcher notes
The public bundle lacks detailed affected model data and remediation specifics. Analysis should stay anchored to Intel SA-00561 and NetApp NTAP-20220210-0009. Do not assume exploit availability, affected product breadth, or patch status beyond vendor advisories.
Mitigation direction
- Review Intel SA-00561 for affected processor details and vendor guidance.
- Review NetApp NTAP-20220210-0009 if NetApp products are in scope.
- Apply only vendor-confirmed firmware, microcode, or platform updates.
- Restrict local user access on shared or high-sensitivity systems.
- Prioritize systems handling confidential or regulated data.
Validation and detection
- Inventory Intel processor models across servers, endpoints, and appliances.
- Compare inventory against Intel SA-00561 affected-product guidance.
- Check NetApp advisory applicability for deployed NetApp systems.
- Verify firmware, BIOS, microcode, and OS update status.
- Confirm local account access is limited to approved users.
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-665: 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-2021-0145 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00561.htmlCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220210-0009/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.
Improper Initialization
Improper Initialization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.