Main Vulnerability Database Vulnerabilities #VU50464

Input validation error in Microsoft products - CVE-2021-24067

Published: February 9, 2021

Vulnerability identifier: #VU50464

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-2021-24067

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
Microsoft Office Web Apps Server
Office Online Server

How to mitigate CVE-2021-24067

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24067

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