CVE-2017-4925

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-15 · updated 2026-06-17
Weakness: CWE-476

Description

VMware ESXi 6.5 without patch ESXi650-201707101-SG, ESXi 6.0 without patch ESXi600-201706101-SG, ESXi 5.5 without patch ESXi550-201709101-SG, Workstation (12.x before 12.5.3), Fusion (8.x before 8.5.4) contain a NULL pointer dereference vulnerability. This issue occurs when handling guest RPC requests. Successful exploitation of this issue may allow attackers with normal user privileges to crash their VMs.

Affected products

VMware ESXi: 5.5-1, 5.5-2, 5.5-3a, 5.5-3b, 5.5-550-20170901001s, 6.0-1 (+78); 5.5, 6.0, 6.5
VMware Fusion: from 8.0.0 before 8.5.4 — fixed in 8.5.4
VMware Workstation: from 12.0.0 before 12.5.3 — fixed in 12.5.3
VMware Workstation Pro: from 12.0.0 before 12.5.3 — fixed in 12.5.3
VMware ESXi: 6.5 without patch ESXi650-201707101-SG, 6.0 without patch ESXi600-201706101-SG, 5.5 without patch ESXi550-201709101-SG
VMware Fusion: 8.x before 8.5.4
VMware Workstation: 12.x before 12.5.3

How to fix

Upgrade to a fixed version: VMware Fusion 8.5.4; VMware Workstation 12.5.3; VMware Workstation Pro 12.5.3. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2017-4925 or the next vulnerability affects your stack