Main Vulnerability Database Vulnerabilities #VU21680

Input validation error in Microsoft Windows and Windows Server - CVE-2019-1333

Published: October 9, 2019

Vulnerability identifier: #VU21680

CSH Severity: Medium

CVSS v4: 7.5 [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]

CVE-ID: CVE-2019-1333

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 target system.

The vulnerability exists due to insufficient validation of untrusted input within the Windows Remote Desktop Client when a user connects to a malicious server. A remote attacker with control of a server can trick a victim to connect to it and execute arbitrary code on the computer of the connecting client.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2019-1333

Install update from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1333

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