Vulnerability identifier: #VU11003

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0941

CWE-ID: CWE-200

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 obtain potentially sensitive information.

The vulnerability exists due to the way that Microsoft Exchange Server handles importing data. A remote attacker with ability to upload a specially crafted file to Microsoft Exchange Outlook Web Access (OWA), can get access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Exchange Server: 2016 Cumulative Update 7 15.01.1261.035 - 2016 Cumulative Update 8 15.01.1415.002

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0941

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Q & A

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.