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CVE-2017-4933

29
FAUCET Score

CVE-2017-4933 is a heap overflow vulnerability affecting VMware ESXi, Workstation, and Fusion, allowing an authenticated VNC session to trigger heap corruption. Successful exploitation could lead to remote code execution within a virtual machine. This vulnerability has a high severity CVSS score of 8.8, indicating a network-based attack with low privileges and no user interaction required, potentially resulting in full compromise of confidentiality, integrity, and availability. While no public exploit code is readily available (Metasploit, Nuclei, ExploitDB), it has received some community discussion and media coverage. There is no evidence of active exploitation in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
>= 12.0.0, < 12.5.8CPE matchmatch criteria
cpe:2.3:a:vmware:workstation_pro:*:*:*:*:*:*:*:*
14.0CPE matchmatch criteria
cpe:2.3:a:vmware:workstation_pro:14.0:*:*:*:*:*:*:*
14.1.0CPE matchmatch criteria
cpe:2.3:a:vmware:workstation_pro:14.1.0:*:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:vmware:esxi:6.5:-:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:vmware:esxi:6.5:650-201701001:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.57%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0357 is in the 87th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

vmware.com / security/advisories/VMSA-2017-0021.html
Issue TrackingVendor Advisory
securitytracker.com / id/1040024
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040025
Third Party AdvisoryVDB Entry