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CVE-2021-31209

Microsoft Exchange Server Spoofing Vulnerability

CVSS 6.5 MEDIUMEPSS 2.6%CWE-290
Microsoft Exchange Server Spoofing Vulnerability
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23Microsoft · Microsoft Exchange Server 2016 Cumulative Update 19Microsoft · Microsoft Exchange Server 2016 Cumulative Update 20Microsoft · Microsoft Exchange Server 2019 Cumulative Update 8Microsoft · Microsoft Exchange Server 2019 Cumulative Update 9

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References
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209https://www.zerodayinitiative.com/advisories/ZDI-21-615/