CVE-2021-21980 Path traversal in VMware vCenter Server and VMware Cloud Foundation
An attacker with network access can exploit an arbitrary file read vulnerability in the vSphere Web Client to access sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21980?
CVE-2021-21980 is a high-severity path traversal vulnerability in Vmware Cloud Foundation, published on 24 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.
Which versions are affected by CVE-2021-21980?
It affects 2 products.
Products include Vmware Cloud Foundation, Vmware Vcenter Server.
How do I fix CVE-2021-21980?
No fix has been published for CVE-2021-21980 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-21980 being exploited?
There is no known exploitation of CVE-2021-21980 in the wild and no public exploit code.
Public exploit code: 6 proofs of concept on GitHub.
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-j86w-wm9c-rcfm.