SB2021011276 - Multiple vulnerabilities in Microsoft Windows Bluetooth

Description

This security bulletin contains information about 3 vulnerabilities.

1) Security Features (CVE-ID: CVE-2021-1683)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information in the system.

The vulnerability exists due to security feature bypass issue in Windows Bluetooth. A local user can gain unauthorized access to sensitive information in the target system.

2) Security Features (CVE-ID: CVE-2021-1684)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information in the system.

The vulnerability exists due to security feature bypass issue in Windows Bluetooth. A local user can gain unauthorized access to sensitive information in the target system.

3) Security Features (CVE-ID: CVE-2021-1638)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows Bluetooth. A local attacker can gain unauthorized access to the application.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1683
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1684
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1638