SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11932

Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".

HIGH 8.1EPSS 5.88%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".

CVSS 3.0
8.1 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
5.88% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/exchange server
Source
secure@microsoft.com

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