CVE-2019-5521

high-risk

Published 2019-09-20

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201903001), Workstation (15.x before 15.0.3 and 14.x before 14.1.6) and Fusion (11.x before 11.0.3 and 10.x before 10.1.6) contain an out-of-bounds read vulnerability in the pixel shader functionality. Successful exploitation of this issue may lead to information disclosure or may allow attackers with normal user privileges to create a denial-of-service condition on the host. Exploitation of this issue require an attacker to have access to a virtual machine with 3D graphics enabled. It is not enabled by default on ESXi and is enabled by default on Workstation and Fusion.

Do I need to act?

0.42% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.6/10 Critical

NETWORK / LOW complexity

Affected Products (20)

Fusion

Workstation

Esxi

Affected Vendors

Vmware

References (4)

Third Party Advisory https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0757

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2019-0012.html

Third Party Advisory https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0757

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2019-0012.html

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 31/34 · Critical