SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-42305

Microsoft Exchange Server Spoofing Vulnerability

MEDIUM 6.5EPSS 7.87%

Does this matter?

Lower severity and a low EPSS score (7.87%). Track it; it rarely justifies an emergency change on its own.

Description

Microsoft Exchange Server Spoofing Vulnerability

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
7.87% probability · 94th percentile
CISA KEV
Not listed
Affected
microsoft/exchange server
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.