Security Updates for Microsoft Exchange Server (Feb 2023)

high Nessus Plugin ID 171442


The Microsoft Exchange Server installed on the remote host is affected by multiple vulnerabilities.


The Microsoft Exchange Server installed on the remote host is missing a security update. It is, therefore, affected by multiple vulnerabilities as referenced in the Feb, 2023 security bulletin.

- Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2023-21529, CVE-2023-21706, CVE-2023-21707, CVE-2023-21710)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Microsoft has released the following security updates to address this issue:

See Also

Plugin Details

Severity: High

ID: 171442

File Name: smb_nt_ms23_feb_exchange.nasl

Version: 1.4

Type: local

Agent: windows

Published: 2/14/2023

Updated: 9/4/2023

Supported Sensors: Frictionless Assessment Agent

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 9

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-21707


Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:exchange_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/14/2023

Vulnerability Publication Date: 2/14/2023

Reference Information

CVE: CVE-2023-21529, CVE-2023-21706, CVE-2023-21707, CVE-2023-21710

IAVA: 2023-A-0092-S

MSFT: MS23-5023038

MSKB: 5023038