Spoofing attack in Microsoft Exchange Server - CVE-2021-42305

 

Spoofing attack in Microsoft Exchange Server - CVE-2021-42305

Published: November 9, 2021


Vulnerability identifier: #VU58069
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42305
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform spoofing attack.

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


Affected software

Microsoft Exchange Server

How to mitigate CVE-2021-42305

Install updates from vendor's website.


External References

Related Security Bulletins