Improper input validation in Apple Mac OS X

CVE-2020-3999

VMware ESXi (7.0 prior to ESXi70U1c-17325551), VMware Workstation (16.x prior to 16.0 and 15.x prior to 15.5.7), VMware Fusion (12.x prior to 12.0 and 11.x prior to 11.5.7) and VMware Cloud Foundation contain a denial of service vulnerability due to improper input validation in GuestInfo. A malicious actor with normal user privilege access to a virtual machine can crash the virtual machine's vmx process leading to a denial of service condition.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

  • Apple Mac_os_x
  • Vmware Esxi — versions 7.0
  • Vmware Fusion
  • Vmware Workstation
  • N/a Vmware Esxi, Workstation,vmware Fusion And Cloud Foundation — versions VMware ESXi (7.0 prior to ESXi70U1c-17325551), VMware Workstation (16.x prior to 16.0 and 15.x prior to 15.5.7)and VMware Fusion (12.x prior to 12.0 and 11.x prior to 11.5.7)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3999?
CVE-2020-3999 is a medium-severity vulnerability in Apple Mac OS X, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-12-21.
How severe is CVE-2020-3999?
Medium severity. CVSS v3 base score is 6.5 out of 10.