CVE-2020-3993

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-20 · updated 2026-06-17

Description

VMware NSX-T (3.x before 3.0.2, 2.5.x before 2.5.2.2.0) contains a security vulnerability that exists in the way it allows a KVM host to download and install packages from NSX manager. A malicious actor with MITM positioning may be able to exploit this issue to compromise the transport node.

Affected products

VMware NSX-T: from 2.5.0 before 2.5.2.2.0; from 3.0.0 before 3.0.2 — fixed in 2.5.2.2.0, 3.0.2
VMware Cloud Foundation: from 3.0 before 3.10.1.1; from 4.0 before 4.1 — fixed in 3.10.1.1, 4.1
VMware NSX-T: VMware NSX-T (3.x before 3.0.2, 2.5.x before 2.5.2.2.0)

How to fix

Upgrade to a fixed version: VMware NSX-T 2.5.2.2.0, 3.0.2; VMware Cloud Foundation 3.10.1.1, 4.1. Check the vendor advisory for mitigations.

References

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