Input validation error in Windows and Windows Server - CVE-2020-1421

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Main Vulnerability Database Vulnerabilities #VU29900

Input validation error in Windows and Windows Server - CVE-2020-1421

Published: July 15, 2020 / Updated: July 15, 2020


Vulnerability identifier: #VU29900
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-1421
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

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 Windows. A remote attacker can present to the user a removable drive, or remote share, that contains a malicious .LNK file and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links