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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2021-1730

Microsoft Exchange Server Spoofing Vulnerability

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>

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft Exchange Server 2019 Cumulative Update 7

  • 15.02.0 to < publicationaffected

Microsoft Microsoft Exchange Server 2016 Cumulative Update 18

  • 15.01.0 to < publicationaffected

References