CVE-2022-21855

Severity

90%

Complexity

23%

Confidentiality

100%

Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21969.

CVSS 3.1 Base Score 9. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.7. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C).

Overview

First reported 3 years ago

2022-01-11 21:15:00

Last updated 3 years ago

2022-01-14 16:14:00

Affected Software

Microsoft Exchange Server 2013 Cumulative Update 23

2013

References

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

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

Patch, Vendor Advisory

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