CVE-2018-6981 json
VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without ESXi600-201811401-BG…
published 2018-12-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18725
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
VMware ESXi 6.7 without ESXi670-201811401-BG and VMware ESXi 6.5 without ESXi650-201811301-BG, VMware ESXi 6.0 without ESXi600-201811401-BG, VMware Workstation 15, VMware Workstation 14.1.3 or below, VMware Fusion 11, VMware Fusion 10.1.3 or below contain uninitialized stack memory usage in the vmxnet3 virtual network adapter which may allow a guest to execute code on the host.
Patch / fix
- vmware workstation 14.1.4
- vmware fusion 10.1.4
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- VMware VMware ESXi, VMware Workstation, and VMware Fusion
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
- Technology feeds
References
-
vmware.com
/security/advisories/VMSA-2018-0027.html
vendor-advisory
-
securitytracker.com
/id/1042055
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105881
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1042054
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-6981
- NVD CVE-2018-6981
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.