CVE-2020-3981 Information disclosure in VMware ESXi, Workstation, Fusion
A time-of-check time-of-use flaw in ACPI allows attackers with VM admin access to leak memory from the host vmx process.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3981?
CVE-2020-3981 is a medium-severity vulnerability in Vmware Cloud Foundation, published on 20 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds read vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.
Which versions are affected by CVE-2020-3981?
It affects 4 products.
Products include Vmware Cloud Foundation, Vmware Esxi, Vmware Fusion, Vmware Workstation.
How do I fix CVE-2020-3981?
No fix has been published for CVE-2020-3981 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3981 being exploited?
There is no known exploitation of CVE-2020-3981 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-9v5h-wgx5-jxxj.