cbcvebase.
CVE-2021-31207
published 2021-05-11

CVE-2021-31207: Microsoft Exchange Server Security Feature Bypass Vulnerability

medium6.6CVSS 3.1
AVNACHPRHUINSUCHIHAH
KEVITWEXPLOIT
CISA Known Exploited Vulnerabilitydue 2021-11-17
Exploited in the wild
Microsoft Exchange Server Security Feature Bypass Vulnerability

Affected

13 ranges
VendorProductVersion rangeFixed in
microsoftexchange_server
microsoftexchange_server
microsoftexchange_server
microsoftmicrosoft_exchange_server_2013_cumulative_update_23>= 15.00.0 < 15.00.1497.01815.00.1497.018
microsoftmicrosoft_exchange_server_2016_cumulative_update_19>= 15.01.0 < 15.01.2176.01415.01.2176.014
microsoftmicrosoft_exchange_server_2016_cumulative_update_20>= 15.01.0 < 15.01.2242.01015.01.2242.010
microsoftmicrosoft_exchange_server_2019_cumulative_update_8>= 15.02.0 < 15.02.0792.01515.02.0792.015
microsoftmicrosoft_exchange_server_2019_cumulative_update_9>= 15.02.0 < 15.02.0858.01215.02.0858.012
msrcmicrosoft_exchange_server_2013_cumulative_update_23
msrcmicrosoft_exchange_server_2016_cumulative_update_19
msrcmicrosoft_exchange_server_2016_cumulative_update_20
msrcmicrosoft_exchange_server_2019_cumulative_update_8
msrcmicrosoft_exchange_server_2019_cumulative_update_9

CVSS provenance

nvdv3.16.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
vulncheck6.6MEDIUM
cisa6.6MEDIUM