Out-of-bounds Read in Apple Mac OS X
CVE-2020-3981
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.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Apple Mac_os_x
- Vmware Cloud_foundation
- Vmware Esxi — versions 7.0.0, 6.5, 6.7
- Vmware Fusion
- Vmware Workstation
- N/a Vmware Esxi, Workstation, Fusion — versions 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)
Weakness classification (CWE)
References
- security@vmware.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3981?
- CVE-2020-3981 is a medium-severity vulnerability in Apple Mac OS X, classified under Out-of-bounds Read. CVSS score: 5.8/10. Published 2020-10-20.
- How severe is CVE-2020-3981?
- Medium severity. CVSS v3 base score is 5.8 out of 10.