8.8

CVE-2018-6981: vmware esxi Use of Uninitialized Resource

CVSS: 8.8v3.1HighModified
Published 04-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-6981 is a high (CVSS 8.8) Use of Uninitialized Resource vulnerability in vmware esxi. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.32%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.32% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vmware4 products
  • esxiEOL6.0 | 6.0:1 | 6.0:1a | 6.0:1b | 6.0:2 | 6.0:3 | 6.0:3a | 6.0:600-201504401 | 6.0:600-201505401 | 6.0:600-201507101 | 6.0:600-201507102 | 6.0:600-201507401 | 6.0:600-201507402 | 6.0:600-201507403 | 6.0:600-201507404 | 6.0:600-201507405 | 6.0:600-201507406 | 6.0:600-201507407 | 6.0:600-201509101 | 6.0:600-201509102 | 6.0:600-201509201 | 6.0:600-201509202 | 6.0:600-201509203 | 6.0:600-201509204 | 6.0:600-201509205 | 6.0:600-201509206 | 6.0:600-201509207 | 6.0:600-201509208 | 6.0:600-201509209 | 6.0:600-201509210 | 6.0:600-201510401 | 6.0:600-201511401 | 6.0:600-201601101 | 6.0:600-201601102 | 6.0:600-201601401 | 6.0:600-201601402 | 6.0:600-201601403 | 6.0:600-201601404 | 6.0:600-201601405 | 6.0:600-201602401 | 6.0:600-201603101 | 6.0:600-201603102 | 6.0:600-201603201 | 6.0:600-201603202 | 6.0:600-201603203 | 6.0:600-201603204 | 6.0:600-201603205 | 6.0:600-201603206 | 6.0:600-201603207 | 6.0:600-201603208 | 6.0:600-201605401 | 6.0:600-201608101 | 6.0:600-201608401 | 6.0:600-201608402 | 6.0:600-201608403 | 6.0:600-201608404 | 6.0:600-201608405 | 6.0:600-201610410 | 6.0:600-201611401 | 6.0:600-201611402 | 6.0:600-201611403 | 6.0:600-201702101 | 6.0:600-201702102 | 6.0:600-201702201 | 6.0:600-201702202 | 6.0:600-201702203 | 6.0:600-201702204 | 6.0:600-201702205 | 6.0:600-201702206 | 6.0:600-201702207 | 6.0:600-201702208 | 6.0:600-201702209 | 6.0:600-201702210 | 6.0:600-201702211 | 6.0:600-201702212 | 6.0:600-201703401 | 6.0:600-201706101 | 6.0:600-201706102 | 6.0:600-201706103 | 6.0:600-201706401 | 6.0:600-201706402 | 6.0:600-201706403 | 6.0:600-201710301 | 6.0:600-201811001 | 6.5 | 6.5:650-201701001 | 6.5:650-201703001 | 6.5:650-201703002 | 6.5:650-201704001 | 6.5:650-201707101 | 6.5:650-201707102 | 6.5:650-201707103 | 6.5:650-201707201 | 6.5:650-201707202 | 6.5:650-201707203 | 6.5:650-201707204 | 6.5:650-201707205 | 6.5:650-201707206 | 6.5:650-201707207 | 6.5:650-201707208 | 6.5:650-201707209 | 6.5:650-201707210 | 6.5:650-201707211 | 6.5:650-201707212 | 6.5:650-201707213 | 6.5:650-201707214 | 6.5:650-201707215 | 6.5:650-201707216 | 6.5:650-201707217 | 6.5:650-201707218 | 6.5:650-201707219 | 6.5:650-201707220 | 6.5:650-201707221 | 6.5:650-201710001 | 6.5:650-201712001 | 6.5:650-201803001 | 6.5:650-201806001 | 6.5:650-201808001 | 6.5:650-201810001 | 6.5:650-201810002 | 6.5:650-201811001 | 6.5:650-201811002 | 6.7 | 6.7:670-201806001 | 6.7:670-201807001 | 6.7:670-201808001 | 6.7:670-201810001 | 6.7:670-201810101 | 6.7:670-201810102 | 6.7:670-201810103 | 6.7:670-201810201 | 6.7:670-201810202 | 6.7:670-201810203 | 6.7:670-201810204 | 6.7:670-201810205 | 6.7:670-201810206 | 6.7:670-201810207 | 6.7:670-201810208 | 6.7:670-201810209 | 6.7:670-201810210 | 6.7:670-201810211 | 6.7:670-201810212 | 6.7:670-201810213 | 6.7:670-201810214 | 6.7:670-201810215 | 6.7:670-201810216 | 6.7:670-201810217 | 6.7:670-201810218 | 6.7:670-201810219 | 6.7:670-201810220 | 6.7:670-201810221 | 6.7:670-201810222 | 6.7:670-201810223 | 6.7:670-201810224 | 6.7:670-201810225 | 6.7:670-201810226 | 6.7:670-201810227 | 6.7:670-201810228 | 6.7:670-201810229 | 6.7:670-201810230 | 6.7:670-201810231 | 6.7:670-201810232 | 6.7:670-201810233 | 6.7:670-201810234 | 6.7:670-201811001
  • fusion≥ 10.0.0, < 10.1.4 | 11.0.0
  • vmware esxi, vmware workstation, and vmware fusionVMware 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 below
  • workstation≥ 14.0.0, < 14.1.4 | 15.0.0

1 vendor · 4 products

References

4 links