CVE-2021-21992 XML external entity in VMware vCenter Server, VMware Cloud Foundation
Authenticated users can cause a denial of service on VMware vCenter Server via improper XML entity parsing in the web clients.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21992?
CVE-2021-21992 is a medium-severity vulnerability in Vmware Cloud Foundation, published on 22 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The vCenter Server contains a denial-of-service vulnerability due to improper XML entity parsing. A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host.
Which versions are affected by CVE-2021-21992?
It affects 2 products.
Products include Vmware Cloud Foundation, Vmware Vcenter Server.
How do I fix CVE-2021-21992?
No fix has been published for CVE-2021-21992 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21992 being exploited?
There is no known exploitation of CVE-2021-21992 in the wild and no public exploit code.
Other vulnerabilities in Vmware Cloud Foundation
- CVE-2024-38812 VMware vCenter Server Heap-Based Buffer Overflow
- CVE-2024-37079 Broadcom VMware vCenter Server Out-of-bounds Write
- CVE-2022-22954 VMware Workspace ONE Access and Identity Manager Server-Side Template Injection
- CVE-2021-22005 VMware vCenter Server File Upload
- CVE-2021-21985 VMware vCenter Server Improper Input Validation
Sources
Also known as GHSA-mhm3-qvq8-3fc6.