CVE-2017-4916

Workstation Player vulnerability

CVSS

6.5

EPSS

5.0%

EPSS pct

91th

Exploited

No known

VMware Workstation Pro/Player contains a NULL pointer dereference vulnerability that exists in the vstor2 driver. Successful exploitation of this issue may allow host users with normal user privileges to trigger a denial-of-service in a Windows host machine.

Affected vendor

Vmware

Affected product

Workstation Player

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-476 — NULL Pointer Dereference

Published

2017-05-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2017-4916

Confirm whether Vmware Workstation Player is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-4916.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-4916

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-4916 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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