CVE-2021-1730

Medium

Description

<p>A spoofing vulnerability exists in Microsoft Exchange Server which could result in an attack that would allow a malicious actor to impersonate the user.</p> <p>This update addresses this vulnerability.</p> <p>To prevent these types of attacks, Microsoft recommends customers to download inline images from different DNSdomains than the rest of OWA. Please see further instructions in the FAQ to put in place this mitigations.</p>

SeverityMedium
CVSS5.4
Exploit probability—
ProductMicrosoft Exchange Server
PublishedFeb 25, 2021
First seenFeb 25, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
microsoft exchange_server2016, 2019—

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