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CVE-2019-5519

24
FAUCET Score

CVE-2019-5519 is a Time-of-check Time-of-use (TOCTOU) vulnerability affecting the virtual USB 1.1 UHCI in VMware ESXi, Workstation, and Fusion. An attacker with access to a virtual machine with a virtual USB controller present could exploit this to execute code on the host system. This vulnerability is rated Medium (CVSS 6.8) due to its potential for high impact on confidentiality, integrity, and availability, though it requires physical or local access to the virtual machine. While there is no known active exploitation or public exploit code, the vulnerability has received significant community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
>= 10.0.0, < 10.1.6CPE matchmatch criteria
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
>= 11.0.0, < 11.0.3CPE matchmatch criteria
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
>= 14.0.0, < 14.1.7CPE matchmatch criteria
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
>= 15.0.0, < 15.0.4CPE matchmatch criteria
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:vmware:esxi:6.0:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 96th percentile among its peer group of 1,532 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/152290/VMware-Security-Advisory-2019-0005.html
Third Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2019-0005.html
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-19-420
securityfocus.com / bid/107535
securityfocus.com / bid/108443