CVE-2021-1638
Windows Bluetooth Security Feature Bypass Vulnerability
Severity Score
7.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Windows Bluetooth Security Feature Bypass Vulnerability
Una Vulnerabilidad de Omisión de la Funcionalidad Windows Bluetooth Security. Este ID de CVE es diferente de CVE-2021-1683, CVE-2021-1684
Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG.
To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate as the locally exchanged public key
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-02 CVE Reserved
- 2021-01-12 CVE Published
- 2024-06-17 EPSS Updated
- 2024-10-08 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1638 | 2023-12-29 |
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1638 | 2024-10-08 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 20h2 Search vendor "Microsoft" for product "Windows 10" and version "20h2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1803 Search vendor "Microsoft" for product "Windows 10" and version "1803" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1809 Search vendor "Microsoft" for product "Windows 10" and version "1809" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1909 Search vendor "Microsoft" for product "Windows 10" and version "1909" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 2004 Search vendor "Microsoft" for product "Windows 10" and version "2004" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | 20h2 Search vendor "Microsoft" for product "Windows Server 2016" and version "20h2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | 1909 Search vendor "Microsoft" for product "Windows Server 2016" and version "1909" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | 2004 Search vendor "Microsoft" for product "Windows Server 2016" and version "2004" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019" | - | - |
Affected
| ||||||