CVE-2019-5531: VMware ESXi

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

VMware vSphere ESXi (6.7 prior to ESXi670-201810101-SG, 6.5 prior to ESXi650-201811102-SG, and 6.0 prior to ESXi600-201807103-SG) and VMware vCenter Server (6.7 prior to 6.7 U1b, 6.5 prior to 6.5 U2b, and 6.0 prior to 6.0 U3j) contain an information disclosure vulnerability in clients arising from insufficient session expiration. An attacker with physical access or an ability to mimic a websocket connection to a user’s browser may be able to obtain control of a VM Console after the user has logged out or their session has timed out.

Affected products

• VMware ESXi: version 6.7 only
• VMware vCenter Server: version 6.0 only; version 6.7 only; version 6.5 only
• VMware Vsphere ESXi: version 6.7 only; version 6.5 only; version 6.0 only

Published 2019-09-18. Last modified 2026-06-17.