Vulnerability identifier: #VU47752

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3993

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NSX-T
Server applications / Virtualization software
VMware Cloud Foundation (NSX-T)
Server applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists in the way that allows a KVM host to download and install packages from NSX manager. A remote attacker with ability to perform MitM attack can compromise the communication between the host and NSX manager and trick the victim into installing a malicious update.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NSX-T: 2.5.0 - 3.0.1

VMware Cloud Foundation (NSX-T): 3.0 - 4.0.1

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External links
http://www.vmware.com/security/advisories/VMSA-2020-0023.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.