OR
     *cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
     *cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
     *cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
     *cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
     *cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*

NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)

NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NIST NVD-CWE-noinfo

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855 No Types Assigned

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855 Patch, Vendor Advisory

http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html [No Types Assigned]

http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html [No Types Assigned]