CVE-2017-4941

8.8 HIGH
Published: December 20, 2017 Modified: May 13, 2026
View on NVD

Description

VMware ESXi (6.0 before ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that could allow an authenticated VNC session to cause a stack overflow via a specific set of VNC packets. Successful exploitation of this issue could result in remote code execution in a virtual machine via the authenticated VNC session. Note: In order for exploitation to be possible in ESXi, VNC must be manually enabled in a virtual machine's .vmx configuration file. In addition, ESXi must be configured to allow VNC traffic through the built-in firewall.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securitytracker.com/id/1040024
Source: security@vmware.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040025
Source: security@vmware.com
Third Party Advisory VDB Entry
https://www.vmware.com/security/advisories/VMSA-2017-0021.html
Source: security@vmware.com
Issue Tracking Patch Vendor Advisory
http://www.securitytracker.com/id/1040024
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040025
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://www.vmware.com/security/advisories/VMSA-2017-0021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
3.2%
86th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple vmware