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CVE-2019-5518

24
FAUCET Score

CVE-2019-5518 is an out-of-bounds read/write vulnerability in the virtual USB 1.1 UHCI of VMware ESXi, Workstation, and Fusion. This medium-severity vulnerability (CVSS 6.8) requires an attacker to have guest access to a virtual machine with a virtual USB controller, potentially allowing code execution on the host. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community discussion and media coverage.

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
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 91st 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-19-421
securityfocus.com / bid/107541