5.4
Medium
CVE-2021-1730 A spoofing vulnerability exists in Microsoft Exchange Server which could result in an attack that would allow a…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Exchange Server 2019 Cumulative Update 7 15.02 | 15.02.0 → latest | No fix stated |
| Microsoft Exchange Server 2016 Cumulative Update 18 15.01 | 15.01.0 → latest | No fix stated |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Last modified
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