CVE-2021-42305
high-risk
Published 2021-11-10
Microsoft Exchange Server Spoofing Vulnerability
Do I need to act?
!
24.3% chance of exploitation in next 30 days
EPSS score — higher than 76% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (5)
Affected Vendors
51
/ 100
high-risk
Severity
24/34 · High
Exploitability
15/34 · Moderate
Exposure
12/34 · Low