Use After Free in Vmware Cloud_foundation
CVE-2020-3992
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 4…
Vulnerability class: Use-After-Free
EPSS: 0.830 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vmware Cloud_foundation
- Vmware Esxi — versions 6.5, 6.7, 7.0.0
- N/a Vmware Esxi — versions VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-202010401-SG)
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- security@vmware.com (Patch, x_refsource_MISC, Vendor Advisory)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@vmware.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-3992?
- CVE-2020-3992 is a critical-severity vulnerability in Vmware Cloud_foundation, classified under Use After Free. CVSS score: 9.8/10. Published 2020-10-20.
- How severe is CVE-2020-3992?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-3992 known to be exploited?
- Yes. CVE-2020-3992 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 24 public proof-of-concept repositories are indexed.