LiveActive security incident?Get immediate response
CVE Record

CVE-2021-0167: Improper access control in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 a...

Improper access control in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow a privileged user to potentially enable escalation of privilege via local access.

MediumCVSS 6.7Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-0167 is an improper access control issue in Intel PROSet/Wireless Wi-Fi and Killer Wi-Fi software on Windows 10 and 11. A local user who already has high privileges may use it to gain further privilege, potentially affecting confidentiality, integrity, and availability on the endpoint.

Executive priority

Treat this as a moderate endpoint maintenance issue. It is not presented as remotely exploitable or actively exploited, but it can increase the impact of a local privileged compromise. Fold remediation into endpoint driver/software update governance, with faster handling for sensitive systems.

Technical view

The CVSS 3.1 vector is AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, scored 6.7. The issue requires local access and high existing privileges, with no user interaction. The source bundle identifies the affected software family but defers exact affected versions to Intel advisory SA-00539.

Likely exposure

Exposure is most likely on Windows 10 or 11 systems running Intel PROSet/Wireless Wi-Fi or Killer Wi-Fi software covered by Intel SA-00539. The bundle does not provide exact version ranges, so asset validation must use Intel's advisory and installed driver/software inventory.

Exploitation context

The source bundle does not report active exploitation, and the CVE is not listed as KEV. Exploitation requires local access and high privileges, reducing broad remote risk but still mattering for endpoint hardening and post-compromise containment.

Researcher notes

Key uncertainty is version specificity: the CVE bundle points to Intel SA-00539 rather than listing precise affected builds. Validation should avoid assumptions and rely on installed software evidence. The high-impact CIA ratings are tempered by local access and high-privilege prerequisites.

Mitigation direction

  • Check Intel SA-00539 for affected versions and vendor update guidance.
  • Inventory Windows 10 and 11 endpoints for Intel PROSet/Wireless and Killer Wi-Fi software.
  • Prioritize updates on shared, high-value, or administrator-used endpoints.
  • Use endpoint controls to limit local privileged account misuse.
  • Track vendor advisories for superseding driver or software packages.

Validation and detection

  • Confirm whether target endpoints run Intel PROSet/Wireless Wi-Fi or Killer Wi-Fi software.
  • Compare installed versions against Intel SA-00539 affected version guidance.
  • Verify remediation by confirming updated vendor package versions after deployment.
  • Review endpoint privilege assignments for unnecessary local administrator access.
  • Monitor vulnerability scanner results for CVE-2021-0167 closure.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CVE-2021-0167 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.7 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.7CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.7Medium
CVSS 3.1 vector shape for CVE-2021-0167Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIntel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11See referencesListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.