Input validation error in vCenter Server - CVE-2021-22019

Vulnerability identifier: #VU56808

CSH Severity: Medium

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

CVE-ID: CVE-2021-22019

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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 VAPI (vCenter API) service. A remote attacker can pass specially crafted crafted jsonrpc message to port 5480/TCP and perform a denial of service (DoS) attack.

vCenter Server
Dell Enterprise Hybrid Cloud
EMC Integrated Data Protection Appliance
Cloud Foundation
Dell EMC VxRail Appliance

Install updates from vendor's website.

vCenter Server - addressed in versions 6.5 U3q, 6.7 U3o, 7.0 U2c
EMC Integrated Data Protection Appliance - update to 2.7.0
Cloud Foundation - update to 3.10.2.2
Dell Enterprise Hybrid Cloud - update to 4.1.2
Dell EMC VxRail Appliance - addressed in versions 4.5.463, 4.7.536, 7.0.241

• https://www.vmware.com/security/advisories/VMSA-2021-0020.html

• Multiple vulnerabilities in VMware vCenter Server
• Multiple vulnerabilities in VMware vCloud Foundation
• Multiple vulnerabilities in Dell EMC VxRail Appliance
• Dell EMC Enterprise Hybrid Cloud update for VMware products
• Multiple vulnerabilities in Dell EMC PowerProtect DP Series (Integrated Data Protection Appliance)