CVE-2020-3958 Denial of service in VMware ESXi
Attackers with non-administrative access to a virtual machine can crash the vmx process, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3958?
CVE-2020-3958 is a medium-severity denial of service vulnerability in Vmware Esxi, published on 29 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2) and VMware Fusion (11.x before 11.5.2) contain a denial-of-service vulnerability in the shader functionality. Successful exploitation of this issue may allow attackers with non-administrative access to a virtual machine to crash the virtual machine's vmx process leading to a denial of service condition.
Weakness: CWE-617
Which versions are affected by CVE-2020-3958?
It affects 3 products.
Products include Vmware Esxi, Vmware Fusion, Vmware Workstation.
How do I fix CVE-2020-3958?
No fix has been published for CVE-2020-3958 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-3958 being exploited?
There is no known exploitation of CVE-2020-3958 in the wild and no public exploit code.
Other vulnerabilities in Vmware Esxi
Sources
Also known as GHSA-jcrh-67wg-49cm.