SB2020090839 - Authentication bypass in Active Directory Federation Services (ADFS)
Published: September 8, 2020
Security Bulletin ID
SB2020090839
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2020-0837)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing multi-factor authentication requests in Active Directory Federation Services (ADFS). A remote attacker can bypass certain authentication factors and gain unauthorized access to the application.
Remediation
Install update from vendor's website.