VULNERABILITY INTELLIGENCE
CVE-2020-3992
CVSS score9.8 CRITICAL
EPSS probability83.02%
CISA KEVKnown exploited vulnerability
Published2020-10-20
Last modified2026-08-12
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
VMware ESXi OpenSLP Use-After-Free Vulnerability
Vendor / product: VMware / ESXi
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.
Weakness classification
- nvd@nist.gov: CWE-416
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416
Primary references
- security@vmware.com — Patch, Vendor Advisory
- security@vmware.com — Third Party Advisory, VDB Entry
- security@vmware.com — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource