SB2021081041 - Improper Authentication in Microsoft Azure Active Directory Connect
Published: August 10, 2021 Updated: August 15, 2021
Security Bulletin ID
SB2021081041
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2021-36949)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in the Microsoft Azure Active Directory Connect. A remote authenticated attacker on the local network can perform a man-in-the-middle (MitM) attack and gain unauthorized access to the application.
Remediation
Install update from vendor's website.