Spoofing attack in Microsoft Exchange Server - CVE-2021-1730

 

Spoofing attack in Microsoft Exchange Server - CVE-2021-1730

Published: February 9, 2021


Vulnerability identifier: #VU50472
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1730
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Exchange Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in the Exchange Server Installer. A remote attacker can spoof page content.


How to mitigate CVE-2021-1730

Install updates from vendor's website.

Sources