#VU59415 Code Injection in Windows and Windows Server


Published: 2022-01-11

Vulnerability identifier: #VU59415

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21893

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

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

The vulnerability exists due to improper input validation in Remote Desktop Protocol. A remote attacker can trick a target victim to connect to a malicious RDP server and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 S, 7, 8.1 - 8.1 RT, 11 21H2

Windows Server: 2008 R2 - 2022


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21893


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability