Detections
Analytics
Security Updates for Microsoft Exchange Server (Jan 2023)
high Nessus Plugin ID 169860
Language:
Synopsis
The Microsoft Exchange Server installed on the remote host is affected by multiple vulnerabilities.Description
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 Jan, 2023 security bulletin.- Microsoft Exchange Server Spoofing Vulnerability (CVE-2023-21745, CVE-2023-21762)
- Microsoft Exchange Server Information Disclosure Vulnerability (CVE-2023-21761)
- Microsoft Exchange Server Elevation of Privilege Vulnerability (CVE-2023-21763, CVE-2023-21764)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Microsoft has released the following security updates to address this issue:-KB5022143
-KB5022188
-KB5022193
See Also
https://support.microsoft.com/en-us/help/5022143
Plugin Details
Severity: High
ID: 169860
File Name: smb_nt_ms23_jan_exchange.nasl
Version: 1.4
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 1/11/2023
Updated: 6/6/2024
Supported Sensors: Frictionless Assessment Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
CVSS Score Source: CVE-2023-21761
CVSS v3
Risk Factor: High
Base Score: 8
Temporal Score: 7.4
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:F/RL:O/RC:C
CVSS Score Source: CVE-2023-21762
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: 1/10/2023
Vulnerability Publication Date: 1/10/2023
Reference Information
CVE: CVE-2023-21745, CVE-2023-21761, CVE-2023-21762, CVE-2023-21763, CVE-2023-21764