Vulnerability identifier: #VU50472
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-451
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Exchange Server
Server applications /
Mail servers
Vendor: Microsoft
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Exchange Server: 2019 Cumulative Update 7 15.02.0721.002, 2016 Cumulative Update 18 15.01.2106.002
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1730
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.