#VU49429 Input validation error in Microsoft products - CVE-2021-1714
Published: January 12, 2021
Vulnerability identifier: #VU49429
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-1714
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft Office Web Apps Server
Microsoft Office
Microsoft Excel
Excel Services on Microsoft SharePoint Server
Office Online Server
Microsoft SharePoint Server
Microsoft Office Web Apps Server
Microsoft Office
Microsoft Excel
Excel Services on Microsoft SharePoint Server
Office Online Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.