ID:5177 - Exploit for Cross-site request forgery in Microsoft Exchange Server - CVE-2021-24085

 
Main Vulnerability Database Exploits ID:5177 - Exploit for Cross-site request forgery in Microsoft Exchange Server - CVE-2021-24085

ID:5177 - Exploit for Cross-site request forgery in Microsoft Exchange Server - CVE-2021-24085

Published: February 25, 2021


Vulnerability identifier: #VU50471
Vulnerability risk: Medium
CVE-ID: CVE-2021-24085
CWE-ID: CWE-352
Exploitation vector: Remote access
Vulnerable software:
Microsoft Exchange Server

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insecure generation of CSRF tokens for office-addins installation within the HasValidCanary function inside of the Canary15 class. A remote user can trick the victim to visit a specially crafted web page and escalate privileges on the server.


Remediation

Install update from vendor's website.