#VU53596 Improper Authentication in vCenter Server and Cloud Foundation - CVE-2021-21986
Published: May 26, 2021
Vulnerability identifier: #VU53596
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21986
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
vCenter Server
Cloud Foundation
vCenter Server
Cloud Foundation
Software vendor:
VMware, Inc
VMware, Inc
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests to the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.