CVE-2019-5531

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-18 · updated 2026-06-17
Weakness: CWE-613

Description

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: 6.7-670-201811001
VMware vCenter Server: 6.0-a, 6.0-b, 6.0-u1, 6.0-u1b, 6.0-u3, 6.0-update2 (+35); 6.0, 6.7, 6.5 (and their updates)
VMware Vsphere Esxi: 6.7-update_1, 6.5-a, 6.5-u2, 6.5-650-201810002, 6.5-650-201811001, 6.5-650-201811002 (+14); 6.7, 6.5, 6.0 (and their updates)
VMware vCenter Server: from 6.7 prior through 6.7 U1b; from 6.5 prior through 6.5 U2b; from 6.0 prior through 6.0 U3j
VMware Vsphere Esxi: from 6.7 prior through ESXi670-201810101-SG; from 6.5 prior through ESXi650-201811102-SG; from 6.0 prior through ESXi600-201807103-SG

References

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