CVE-2020-3971 json
VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x befor…
published 2020-06-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25236
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.
Patch / fix
- vmware cloud_foundation 3.7.2
- vmware fusion 11.0.2
- vmware workstation 15.0.2
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
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
Sources
- CVE List CVE-2020-3971
- NVD CVE-2020-3971
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