CVE•Published 2020-10-20•Modified 2026-08-12•1 article on news•6 live references•NVD data
CVE-2020-3992Vmware · Cloud_foundation
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2020-10-20
Modified 2026-08-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag2 hosts
vuln:CVE-2020-3992Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Vmware Cloud Foundation"All exposed Vmware Cloud Foundation instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Cloud Foundation"HTTP body or banner mentions "Cloud Foundation" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2020-3992Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-3992Censys host search filtered to this CVE id.
grep.app
CVE-2020-3992Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-3992GitHub code search for direct mentions.
Google dork
"CVE-2020-3992" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.