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Vulnerability Database
Exploits
ID:6679 - Exploit for Improper Authentication in Microsoft Exchange Server - CVE-2021-33766
ID:6679 - Exploit for Improper Authentication in Microsoft Exchange Server - CVE-2021-33766
Published: September 1, 2021
Vulnerability identifier: #VU54766
Vulnerability risk: Medium
CVE-ID: CVE-2021-33766
CWE-ID: CWE-287
Exploitation vector: Remote access
Vulnerable software:
Microsoft Exchange Server
Microsoft Exchange Server
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.
The vulnerability was dubbed ProxyToken.
Remediation
Install updates from vendor's website.