#VU49401 Input validation error in Microsoft products - CVE-2021-1647

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Main Vulnerability Database Vulnerabilities #VU49401

#VU49401 Input validation error in Microsoft products - CVE-2021-1647

Published: January 12, 2021 / Updated: October 5, 2021


Vulnerability identifier: #VU49401
Vulnerability risk: Critical
CVSSv4.0: 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/E:A/U:Red
CVE-ID: CVE-2021-1647
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Microsoft Security Essentials
Windows Defender
Microsoft System Center Endpoint Protection
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

External links