CVE-2018-6981

highpriority · attend · 45EPSS 0.013 · 71 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.32% (71st) EPSS

CVSS 7.2 · high

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2 · impact 6

v3.18.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-908USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

LxKxC/vmxnet3HunterUse this tool to prioritize cluster patching for the recent VMware advisory VMSA-2018-0027 related to CVE-2018-6981 and CVE-2018-6982.PoC · poc_in_github

affected products (8)

Products and version ranges known to be affected.

VMware VMware ESXi, VMware Workstation, and VMware Fusion≤ VMware ESXi 6.7 without ESXi670-201811401-BG, 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 belowenisa_euvdEU
vmware esxi= 6.0nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 6.5nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 6.7nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware fusion10.0.0 → 10.1.4nvdUScpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware fusion= 11.0.0nvdUScpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware workstation14.0.0 → 14.1.4nvdUScpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
vmware workstation= 15.0.0nvdUScpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-12-04modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

scry

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