What is CVE-2020-3994?

CVE-2020-3994 is a high-severity vulnerability in VMware Cloud Foundation, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-10-20.

How severe is CVE-2020-3994?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in VMware Cloud Foundation

CVE-2020-3994

VMware vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k) contains a session hijack vulnerability in the vCenter Server Appliance Management Interface update function due to a lack of certificate validation. A malicious actor with network positioning between vCenter Server and an update repository may be able to perform a session hijack when the vCenter Server Appliance Management Interface is used to download vCenter updates.

Vulnerability class: Improper Certificate Validation

EPSS: 0.006 (47.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Vmware Cloud_foundation
Vmware Vcenter_server — versions 6.5, 6.7
N/a Vcenter Server — versions vCenter Server (6.7 before 6.7u3, 6.6 before 6.5u3k)

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security@vmware.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3994?: CVE-2020-3994 is a high-severity vulnerability in VMware Cloud Foundation, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-10-20.
How severe is CVE-2020-3994?: High severity. CVSS v3 base score is 7.4 out of 10.