Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-3943

24
FAUCET Score

CVE-2020-3943 describes an insecure JMX RMI service within the vRealize Operations for Horizon Adapter (versions 6.7.x prior to 6.7.1 and 6.6.x prior to 6.6.1), impacting both Microsoft and VMware Windows environments. This critical vulnerability, with a CVSS score of 9.8, allows an unauthenticated remote attacker with network access to execute arbitrary code on affected vRealize Operations instances. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness despite its inactive Hot List status.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.6.0, < 6.6.1CPE matchmatch criteria
cpe:2.3:a:vmware:vrealize_operations:*:*:*:*:*:horizon:*:*
>= 6.7.0, < 6.7.1CPE matchmatch criteria
cpe:2.3:a:vmware:vrealize_operations:*:*:*:*:*:horizon:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.33%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0233 is in the 71st percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

vmware.com / security/advisories/VMSA-2020-0003.html
Vendor Advisory