How severe is CVE-2017-4934?

CVE-2017-4934 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-4934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4934?

CVE-2017-4934 primarily affects Vmware Workstation. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-4934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-4934 published?

CVE-2017-4934 was published on 2017-11-17 and last updated on 2026-06-17.

CVE-2017-4934

CVE-2017-4934 is a high-severity vulnerability in Vmware Workstation with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Vmware Workstation
Published: 2017-11-17
Last modified: 2026-06-17

Description

VMware Workstation (12.x before 12.5.8) and Fusion (8.x before 8.5.9) contain a heap buffer-overflow vulnerability in VMNAT device. This issue may allow a guest to execute code on the host.

Frequently asked questions

What is CVE-2017-4934?: VMware Workstation (12.x before 12.5.8) and Fusion (8.x before 8.5.9) contain a heap buffer-overflow vulnerability in VMNAT device. This issue may allow a guest to execute code on the host.
How severe is CVE-2017-4934?: CVE-2017-4934 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-4934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4934?: CVE-2017-4934 primarily affects Vmware Workstation. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-4934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-4934 published?: CVE-2017-4934 was published on 2017-11-17 and last updated on 2026-06-17.

References

Affected products (26)

cpe:2.3:a:vmware:workstation:12.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:12.5.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:8.5.8:*:*:*:*:*:*:*

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