Detections
Analytics
Security Updates for Microsoft Exchange Server (December 2020)
critical Nessus Plugin ID 143557
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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 security updates. It is, therefore, affected by multiple vulnerabilities:- A remote code execution vulnerability. An attacker could exploit this to execute unauthorized arbitrary code. (CVE-2020-17117, CVE-2020-17132, CVE-2020-17141, CVE-2020-17142)
- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2020-17143)
Solution
Microsoft has released the following security updates to address this issue:-KB4593465
-KB4593466
See Also
Plugin Details
Severity: Critical
ID: 143557
File Name: smb_nt_ms20_dec_exchange.nasl
Version: 1.10
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 12/8/2020
Updated: 12/5/2022
Supported Sensors: Frictionless Assessment Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.2
CVSS v2
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-2020-17117
CVSS v3
Risk Factor: Critical
Base Score: 9.1
Temporal Score: 8.4
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
CVSS Score Source: CVE-2020-17142
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: 12/8/2020
Vulnerability Publication Date: 12/8/2020
Exploitable With
Metasploit (Microsoft Exchange Server DlpUtils AddTenantDlpPolicy RCE)
Reference Information
CVE: CVE-2020-17117, CVE-2020-17132, CVE-2020-17141, CVE-2020-17142, CVE-2020-17143