What is CVE-2021-21993?

CVE-2021-21993 is an SSRF (Server Side Request Forgery) vulnerability in vCenter Server due to improper validation of URLs in the vCenter Server Content Library, which can lead to information disclosure.

How does CVE-2021-21993 affect VMware Cloud Foundation?

VMware Cloud Foundation with versions ranging from 3.0 to 5.0 is affected by CVE-2021-21993.

Which versions of VMware vCenter Server are affected by CVE-2021-21993?

CVE-2021-21993 affects VMware vCenter Server versions 6.5, 6.7, and 7.0.

What is the severity of CVE-2021-21993?

CVE-2021-21993 has a severity rating of 6.5, which is considered medium.

How can CVE-2021-21993 be mitigated?

Apply the necessary patches or upgrades provided by VMware to fix the vulnerability in vCenter Server and ensure proper validation of URLs in the vCenter Server Content Library.

Vulnerability/
CVE-2021-21993

medium

6.5

CWE

918

23/9/2021

3/8/2024

CVE-2021-21993: SSRF

First published: Thu Sep 23 2021(Updated: )

The vCenter Server contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in vCenter Server Content Library. An authorised user with access to content library may exploit this issue by sending a POST request to vCenter Server leading to information disclosure.

Credit: security@vmware.com

Affected Software	Affected Version	How to fix
VMware Cloud Foundation	>=3.0<5.0
VMware vCenter Server	=6.5
VMware vCenter Server	=6.7
VMware vCenter Server	=7.0

Remedy

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

Never miss a vulnerability like this again

Reference Links

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

Frequently Asked Questions

What is CVE-2021-21993?
CVE-2021-21993 is an SSRF (Server Side Request Forgery) vulnerability in vCenter Server due to improper validation of URLs in the vCenter Server Content Library, which can lead to information disclosure.
How does CVE-2021-21993 affect VMware Cloud Foundation?
VMware Cloud Foundation with versions ranging from 3.0 to 5.0 is affected by CVE-2021-21993.
Which versions of VMware vCenter Server are affected by CVE-2021-21993?
CVE-2021-21993 affects VMware vCenter Server versions 6.5, 6.7, and 7.0.
What is the severity of CVE-2021-21993?
CVE-2021-21993 has a severity rating of 6.5, which is considered medium.
How can CVE-2021-21993 be mitigated?
Apply the necessary patches or upgrades provided by VMware to fix the vulnerability in vCenter Server and ensure proper validation of URLs in the vCenter Server Content Library.

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vendor/vmware
canonical/vmware cloud foundation
version/vmware cloud foundation/3.0
canonical/vmware vcenter server
version/vmware vcenter server/6.5
version/vmware vcenter server/6.7
version/vmware vcenter server/7.0

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