Security Updates for Microsoft Exchange Server (September 2023)

high Nessus Plugin ID 181309


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 Sep, 2023 security bulletin.

- Microsoft Exchange Server Spoofing Vulnerability (CVE-2023-36757)

- Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2023-36744, CVE-2023-36745, CVE-2023-36756)

- Microsoft Exchange Server Information Disclosure Vulnerability (CVE-2023-36777)

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:

Plugin Details

Severity: High

ID: 181309

File Name: smb_nt_ms23_sep_exchange.nasl

Version: 1.5

Type: local

Agent: windows

Published: 9/12/2023

Updated: 6/6/2024

Supported Sensors: Frictionless Assessment Agent, Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.7

Temporal Score: 6

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

CVSS Score Source: CVE-2023-36757


Risk Factor: High

Base Score: 8

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:exchange_server:2016, cpe:/a:microsoft:exchange_server:2019

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/12/2023

Vulnerability Publication Date: 9/12/2023

Reference Information

CVE: CVE-2023-36744, CVE-2023-36745, CVE-2023-36756, CVE-2023-36757, CVE-2023-36777

IAVA: 2023-A-0477-S

MSFT: MS23-5030524

MSKB: 5030524