#VU50898 Input validation error in vCenter Server and Cloud Foundation - CVE-2021-21972
Published: February 24, 2021 / Updated: May 18, 2022
Vulnerability identifier: #VU50898
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-21972
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
vCenter Server
Cloud Foundation
vCenter Server
Cloud Foundation
Software vendor:
VMware, Inc
VMware, Inc
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in vSphere Client. A remote non-authenticated attacker can send a specially crafted HTTP request to port 443/tcp and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.