Detections
Analytics
Security Updates for Microsoft Excel Products (October 2021)
high Nessus Plugin ID 154027
Language:
Synopsis
The Microsoft Excel Products are affected by multiple vulnerabilities.Description
The Microsoft Excel Products are missing security updates.It is, therefore, affected by multiple vulnerabilities :
- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-40474, CVE-2021-40485)
- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-40472)
Solution
Microsoft has released the following security updates to address this issue:-KB5002030
-KB5002043
For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.
See Also
https://support.microsoft.com/en-us/help/5002030
https://support.microsoft.com/en-us/help/5002043
Plugin Details
Severity: High
ID: 154027
File Name: smb_nt_ms21_oct_excel.nasl
Version: 1.10
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 10/12/2021
Updated: 11/28/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.6
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-40485
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.2
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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:excel
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/12/2021
Vulnerability Publication Date: 10/12/2021
Reference Information
CVE: CVE-2021-40471, CVE-2021-40472, CVE-2021-40473, CVE-2021-40474, CVE-2021-40479, CVE-2021-40485