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CVE Record

CVE-2021-23188: Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an au...

Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an authenticated user to potentially enable information disclosure via local access.

LowCVSS 3.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2021-23188 is a low-severity local information disclosure issue in some Intel PROSet/Wireless WiFi and Killer WiFi products. An attacker must already be an authenticated local user on the affected system, limiting likely business impact compared with remote or privilege-escalation flaws.

Executive priority

Treat as routine endpoint hygiene unless affected systems are shared, sensitive, or hard to patch. The local authenticated requirement and confidentiality-only impact support a low urgency rating, but unmanaged wireless drivers should still be updated through normal maintenance.

Technical view

The CVE describes improper access control that may allow an authenticated local user to disclose information. CVSS 3.1 is 3.3 with local attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and confidentiality impact only.

Likely exposure

Exposure is most likely on endpoint fleets using affected Intel PROSet/Wireless WiFi or Killer WiFi products. The provided CVE bundle does not enumerate affected versions, so teams must confirm exact product and version exposure from Intel advisory INTEL-SA-00621.

Exploitation context

The provided sources do not report active exploitation, and the CVE is not listed as KEV. Exploitation requires local authenticated access and is limited to potential information disclosure, with no stated integrity or availability impact.

Researcher notes

No CWE is provided in the bundle. Affected versions and specific fix details are not included in the CVE record excerpt. Use Intel advisory INTEL-SA-00621 as the authoritative source for product/version mapping and remediation details.

Mitigation direction

  • Review Intel advisory INTEL-SA-00621 for affected versions and vendor remediation.
  • Update affected Intel wireless software or drivers according to Intel guidance.
  • Prioritize shared workstations or systems with many local users.
  • Reduce unnecessary local user access on affected endpoints.
  • Track remediation through endpoint management inventory.

Validation and detection

  • Inventory installed Intel PROSet/Wireless WiFi and Killer WiFi products.
  • Compare installed versions against Intel advisory INTEL-SA-00621.
  • Confirm vendor-recommended updates are installed where applicable.
  • Verify local user access is limited to approved accounts.
  • Record exceptions where affected versions cannot be updated.
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

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CVE-2021-23188 mapping review

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

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Vulnerability profileCVE Program record
Severity
Low
CVSS
3.3 (3.1)
Known Exploited
No
Published

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

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
3.3CVSS 3.1LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N1.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.3Low
CVSS 3.1 vector shape for CVE-2021-23188Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 WiFi and Killer(TM) WiFi productsSee 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.