CVE-2021-1730

Summary

<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 Software

VendorProductVersion RangeStatus
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 715.02.0 < publicationaffected
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 1815.01.0 < publicationaffected

Weaknesses

  • Spoofing

ADP Enrichment

CVE Program Container

Additional References

References