8.1

CVE-2021-31209

Microsoft Exchange Server Spoofing Vulnerability

Data is provided by the National Vulnerability Database (NVD)
MicrosoftExchange Server Version2013 Updatecumulative_update_23
MicrosoftExchange Server Version2016 Updatecumulative_update_19
MicrosoftExchange Server Version2016 Updatecumulative_update_20
MicrosoftExchange Server Version2019 Updatecumulative_update_8
MicrosoftExchange Server Version2019 Updatecumulative_update_9
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.42% 0.613
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.8 8.6 4.9
AV:N/AC:M/Au:N/C:P/I:P/A:N
nvd@nist.gov 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
secure@microsoft.com 6.5 2.2 4.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.