CVE-2020-3967 json
VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x b…
published 2020-06-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25232
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain a heap-overflow vulnerability in the USB 2.0 controller (EHCI). A malicious actor with local access to a virtual machine may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.
Patch / fix
- vmware cloud_foundation 3.10, 4.0.1
- vmware fusion 11.5.5
- vmware workstation 15.5.5
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- VMware VMware ESXi
- VMware Workstation
- VMware Fusion
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
- Technology feeds
References
-
vmware.com
/security/advisories/VMSA-2020-0015.html
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-784/
third-party-advisory
Sources
- CVE List CVE-2020-3967
- NVD CVE-2020-3967
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