CVE-2021-0078

Unauthenticated information disclosure and service interruption

Published Nov 17, 2021 · Updated Aug 3, 2024

Improper input validation in Intel PROSet/Wireless WiFi and Killer WiFi for Windows 10 allows attackers to disclose information or interrupt service. Intel has not disclosed the affected software component, the input accepted without adequate validation, or the operation that mishandles it. Exploitation requires no authentication but does require adjacent wireless access; reported effects are limited to information disclosure and service interruption.

CVSS severity7.1
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Intel PROSet/Wireless WiFi and Killer WiFi for Windows 10 allows attackers to disclose information or interrupt service. Intel has not disclosed the affected software component, the input accepted without adequate validation, or the operation that mishandles it. Exploitation requires no authentication but does require adjacent wireless access; reported effects are limited to information disclosure and service interruption.

The record

CVE
CVE-2021-0078
Published
Nov 17, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-20, T1499
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1Intel CorporationCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
6.8NIST NVDAV:A/AC:L/Au:N/C:P/I:N/A:C
8.1NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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