Input validation error in vCenter Server - CVE-2021-22020

 

Input validation error in vCenter Server - CVE-2021-22020

Published: September 21, 2021


Vulnerability identifier: #VU56809
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22020
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Analytics service. A remote user can send a specially crafted request to the application and perform a denial of service (DoS) attack.


Affected software

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

How to mitigate CVE-2021-22020

Install updates from vendor's website.

vCenter Server - addressed in versions 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

External References

Related Security Bulletins