CVE-2020-3982
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 write vulnerability due to a time-of-check time-of-use issue in…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 write 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 vulnerability to crash the virtual machine's vmx process or corrupt hypervisor's memory heap.
- CVSS 3.1
- 7.7 HIGHCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
- EPSS
- 0.83% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367, CWE-787
- Affected
- vmware/esxi · vmware/cloud foundation · vmware/workstation · vmware/workstation player · vmware/fusion
- Source
- security@vmware.com
References
- https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory
- https://www.vmware.com/security/advisories/VMSA-2020-0023.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.