CVE-2021-22049: SSRF

Published Nov 24, 2021

Updated

The vSphere Web Client (FLEX/Flash) contains an SSRF (Server Side Request Forgery) vulnerability in the vSAN Web Client (vSAN UI) plug-in. A malicious actor with network access to port 443 on vCenter Server may exploit this issue by accessing a URL request outside of vCenter Server or accessing an internal service.

Affected Software

3 affected components

VMware vCenter Server=6.5

VMware vCenter Server=6.7

VMware vCenter Server=7.0

Remediation

Patch Available

https://www.vmware.com/security/advisories/VMSA-2021-0027.html

Event History

Nov 24, 2021

CVE Published

via MITRE·04:32 PM

Data Sourced

via MITRE·04:32 PM

DescriptionWeakness

Frequently Asked Questions

What is CVE-2021-22049?

CVE-2021-22049 is a vulnerability in the vSphere Web Client (FLEX/Flash) that allows for SSRF (Server Side Request Forgery) attacks.

What is the severity of CVE-2021-22049?

CVE-2021-22049 has a severity rating of 9.8 (Critical) on the CVSS scale.

Which versions of vCenter Server are affected by CVE-2021-22049?

CVE-2021-22049 affects VMware vCenter Server versions 6.5, 6.7, and 7.0.

How can a malicious actor exploit CVE-2021-22049?

A malicious actor with network access to port 443 on vCenter Server can exploit CVE-2021-22049 by accessing URLs outside of vCenter Server or accessing internal services.

Is there a fix available for CVE-2021-22049?

Yes, VMware has released a security advisory (VMSA-2021-0027) with patches and mitigations for CVE-2021-22049.