Cross-site scripting in vCenter Server - CVE-2021-22016

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Main Vulnerability Database Vulnerabilities #VU56805

Cross-site scripting in vCenter Server - CVE-2021-22016

Published: September 21, 2021


Vulnerability identifier: #VU56805
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2021-22016
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

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

How to mitigate CVE-2021-22016

Install updates from vendor's website.

vCenter Server - update to 6.7 U3o
EMC Integrated Data Protection Appliance - update to 2.7.0
IBM Cloud Pak System - update to 2.3.3.4
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