Main Vulnerability Database Vulnerabilities #VU50490

Input validation error in Microsoft Windows and Windows Server - CVE-2021-24098

Published: February 9, 2021 / Updated: July 25, 2021

Vulnerability identifier: #VU50490

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-24098

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Console Driver.A remote attacker can host a website, trick a victim to open the specially crafted file and perform a denial of service (DoS) attack.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-24098

Install updates from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #6550 - CVE-2021-24098 (POC for CVE-2021-24098) (July 25, 2021)

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24098

Related Security Bulletins

Denial of service in Microsoft Windows Console Driver