CVE-2022-21855

critical

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

References

https://www.tenable.com/blog/microsofts-january-2022-patch-tuesday-addresses-97-cves-cve-2022-21907

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21855

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21855

Details

Source: Mitre, NVD

Published: 2022-01-11

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.7

Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical