Security readout for executives and security teams
Plain-English summary
This vulnerability can let someone nearby disrupt affected Windows 10 or 11 systems using Intel PROSet/Wireless Wi-Fi or Killer Wi-Fi software. The known impact is denial of service, not data theft or system takeover. It matters most for mobile workforces and locations where untrusted people can be physically or wirelessly nearby.
Executive priority
Treat this as a targeted availability risk, not a broad breach emergency. Patch or verify affected wireless software during normal endpoint maintenance, with higher priority for executives, field staff, and environments exposed to untrusted adjacent users.
Technical view
CVE-2021-0178 is improper input validation in Intel PROSet/Wireless Wi-Fi and Killer Wi-Fi software for Windows 10 and 11. CVSS 3.1 is 6.5 with adjacent attack vector, low complexity, no privileges, no user interaction, unchanged scope, and high availability impact only.
Likely exposure
Exposure is limited to Windows 10 and 11 endpoints running the affected Intel Wi-Fi or Killer Wi-Fi software. Internet-facing servers are not the likely concern; laptops and desktops with wireless adapters in shared or public environments are more relevant.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector indicates an unauthenticated adjacent attacker could potentially cause denial of service, meaning proximity or local network adjacency is required rather than remote internet access.
Researcher notes
Evidence is limited to the CVE metadata and Intel advisory reference in the supplied bundle. Exact affected and fixed versions are not included in the prompt, so validation should rely on Intel SA-00539 rather than assumptions.
Mitigation direction
- Review Intel SA-00539 for affected versions and vendor remediation guidance.
- Update affected Intel Wi-Fi or Killer Wi-Fi software only per Intel’s advisory.
- Prioritize mobile endpoints used in public, shared, or high-density wireless environments.
- Monitor helpdesk and endpoint telemetry for unexplained Wi-Fi instability or crashes.
Validation and detection
- Inventory Windows 10 and 11 systems with Intel PROSet/Wireless Wi-Fi or Killer Wi-Fi software.
- Compare installed software versions against Intel SA-00539 affected-version guidance.
- Confirm remediation status through endpoint management or software inventory records.
- Check whether outage reports align with affected wireless software populations.
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-20: 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-2021-0178 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/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-00539.htmlCVE 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.