What is CVE-2019-5535?

CVE-2019-5535 is a medium-severity vulnerability in VMware Fusion. CVSS score: 4.7/10. Published 2019-10-10.

How severe is CVE-2019-5535?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in VMware Fusion

CVE-2019-5535

VMware Workstation and Fusion contain a network denial-of-service vulnerability due to improper handling of certain IPv6 packets. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 4.7.

Published 2019-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

VMware Fusion
VMware Workstation
VMware Workstation And Fusion — versions VMware Workstation 15.x and Fusion 11.x

References

www.vmware.com/security/advisories/VMSA-2019-0014.html (Vendor Advisory)

Frequently asked questions

What is CVE-2019-5535?: CVE-2019-5535 is a medium-severity vulnerability in VMware Fusion. CVSS score: 4.7/10. Published 2019-10-10.
How severe is CVE-2019-5535?: Medium severity. CVSS v3 base score is 4.7 out of 10.