Use After Free in Apple Mac OS X
CVE-2020-4004
VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG), Workstation (15.x before 15.5.7), Fusion (11.x before 11.5.7) contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Apple Mac OS X
- VMware Cloud Foundation
- VMware Esxi — versions 6.5, 6.7, 7.0
- VMware Fusion
- VMware Workstation
- Fusion — versions 11.x before 11.5.7
- VMware Esxi — versions 7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG
- Workstation — versions 15.x before 15.5.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.vmware.com/security/advisories/VMSA-2020-0026.html (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-4004?
- CVE-2020-4004 is a high-severity vulnerability in Apple Mac OS X, classified under Use After Free. CVSS score: 8.2/10. Published 2020-11-20.
- How severe is CVE-2020-4004?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2020-4004 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.