CVE-2021-21993 Server-side request forgery in VMware vCenter Server, VMware Cloud Foundation
An authorized user can exploit improper URL validation in vCenter Server Content Library to perform Server Side Request Forgery, leading to information disclosure.
- 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-2021-21993?
CVE-2021-21993 is a medium-severity server-side request forgery vulnerability in Vmware Cloud Foundation, published on 23 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-918
Which versions are affected by CVE-2021-21993?
It affects 2 products.
Products include Vmware Cloud Foundation, Vmware Vcenter Server.
How do I fix CVE-2021-21993?
No fix has been published for CVE-2021-21993 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-21993 being exploited?
There is no known exploitation of CVE-2021-21993 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-p52h-5fjj-x2pc.