Spoofing attack in Microsoft Exchange Server

1) Spoofing attack

EUVDB-ID: #VU100312

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-49040

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof content of email messages in the Microsoft Exchange client interface.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Exchange Server: 2016 CU22 Nov22SU 15.01.2375.037 - 2019 CU14 2024H1 15.02.1544.004

CPE2.3

• cpe:2.3:a:microsoft:microsoft_exchange_server:*:*:*:*:*:*:*:*

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49040

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.