VDB-192703 · CVE-2021-0166 · intel-sa-00539

Intel PROSet/Wireless WiFi/Killer WiFi on Windows information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Intel PROSet, Wireless WiFi and Killer WiFi on Windows. It has been rated as problematic. Impacted is an unknown function. This manipulation causes information disclosure. This vulnerability appears as CVE-2021-0166. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Intel PROSet, Wireless WiFi and Killer WiFi on Windows (Wireless LAN Software) (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was presented 02/10/2022 as intel-sa-00539. It is possible to read the advisory at intel.com. This vulnerability is known as CVE-2021-0166 since 10/22/2020. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2025). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 253397 (Linux Distros Unpatched Vulnerability : CVE-2021-0166), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (253397). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Wireless LAN Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 253397
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-0166

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/22/2020 🔍
02/10/2022 +476 days 🔍
02/10/2022 +0 days 🔍
08/24/2025 +1291 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00539
Status: Confirmed

CVE: CVE-2021-0166 (🔍)
GCVE (CVE): GCVE-0-2021-0166
GCVE (VulDB): GCVE-100-192703

Entryinfo

Created: 02/10/2022 11:25
Updated: 08/24/2025 04:16
Changes: 02/10/2022 11:25 (38), 02/13/2022 13:53 (1), 08/24/2025 04:16 (16)
Complete: 🔍
Cache ID: 216::103