Main Vulnerability Database Vulnerabilities #VU52110

Code Injection in Microsoft products - CVE-2021-28454

Published: April 13, 2021

Vulnerability identifier: #VU52110

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-28454

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file or visit a malicious website and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Excel
Microsoft Office
Microsoft Office Web Apps Server
Office Online Server

How to mitigate CVE-2021-28454

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28454

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