Input validation error in Microsoft products - CVE-2021-1714
Published: January 12, 2021
Vulnerability identifier: #VU49429
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-1714
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Microsoft Excel
Microsoft Office
Excel Services on Microsoft SharePoint Server
Microsoft SharePoint Server
Microsoft Office Web Apps Server
Office Online Server
Microsoft Office
Excel Services on Microsoft SharePoint Server
Microsoft SharePoint Server
Microsoft Office Web Apps Server
Office Online Server
How to mitigate CVE-2021-1714
Install updates from vendor's website.