MitM attack in VMware NSX-T

1) Man-in-the-Middle (MitM) attack

EUVDB-ID: #VU47752

Risk: High

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3993

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

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 update 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

External links

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

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.