CVE-2021-1730
Microsoft Exchange Server Spoofing Vulnerability
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.4EPSS 1.8%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
25 Feb 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
<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>
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C