Vulnerability Monitor

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CVE-2018-6981


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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 4 products from vmware, from vmware, from apple and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2018-12-04T14:29:00.543

Last Modified

2024-11-21T04:11:31.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-908

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application vmware workstation < 14.1.4 Yes
Application vmware workstation 15.0.0 Yes
Application vmware fusion < 10.1.4 Yes
Application vmware fusion 11.0.0 Yes
Operating System apple mac_os_x - No
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.0 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.5 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes
Operating System vmware esxi 6.7 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vmware's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.