CVE-2020-3943

Name: CVE-2020-3943
Creator: NVD / NIST
Published: 2020-02-19T21:15:11.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2020-3943 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. vRealize Operations for Horizon Adapter (6.7.x prior to 6.7.1 and 6.6.x prior to 6.6.1) uses a JMX RMI service which is not securely configured. An unauthenticated remote attacker who has network access to vRealize Operations, with the Horizon Adapter running, may be able to execute arbitrary code in vRealize Operations.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

vRealize Operations for Horizon Adapter (6.7.x prior to 6.7.1 and 6.6.x prior to 6.6.1) uses a JMX RMI service which is not securely configured. An unauthenticated remote attacker who has network access to vRealize Operations, with the Horizon Adapter running, may be able to execute arbitrary code in vRealize Operations.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Vmware	Vrealize Operations	>= 6.6.0, < 6.6.1
Vmware	Vrealize Operations	>= 6.7.0, < 6.7.1

References

https://www.vmware.com/security/advisories/VMSA-2020-0003.htmlVendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0003.htmlVendor Advisory

Timeline

Published: Feb 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3943?

How severe is CVE-2020-3943?

CVE-2020-3943 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3943?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3943?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST