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

Weakness classification (CWE)

References

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.