9.8
Critical
CVE-2020-3992 VMware ESXi OpenSLP Use-After-Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-416
Description
OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG) has a use-after-free issue. A malicious actor residing in the management network who has access to port 427 on an ESXi machine may be able to trigger a use-after-free in the OpenSLP service resulting in remote code execution.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| VMware ESXi | Versions not published |
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