Detections
Analytics
Security Updates for Microsoft Exchange Server (March 2021)
critical Nessus Plugin ID 147003
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 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-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078)
Solution
Microsoft has released the following security updates to address this issue:-KB5000871
See Also
Plugin Details
Severity: Critical
ID: 147003
File Name: smb_nt_ms21_mar_exchange_oob.nasl
Version: 1.19
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 3/3/2021
Updated: 6/6/2024
Supported Sensors: Frictionless Assessment Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.8
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-26855
CVSS v3
Risk Factor: Critical
Base Score: 9.1
Temporal Score: 8.7
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:H/RL:O/RC:C
CVSS Score Source: CVE-2021-27078
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: 3/2/2021
Vulnerability Publication Date: 3/2/2021
CISA Known Exploited Vulnerability Due Dates: 4/16/2021
Exploitable With
CANVAS (CANVAS)
Core Impact
Metasploit (Microsoft Exchange ProxyLogon RCE)
Reference Information
CVE: CVE-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078