Main Vulnerability Database Vulnerabilities #VU50465

Input validation error in Microsoft Excel and Microsoft Office Web Apps Server - CVE-2021-24068

Published: February 9, 2021

Vulnerability identifier: #VU50465

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-2021-24068

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 host a website, trick a victim to open the specially crafted file and execute arbitrary code on the target system.

Affected software

Microsoft Excel
Microsoft Office Web Apps Server

How to mitigate CVE-2021-24068

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24068

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