What is the CVSS score of CVE-2020-3974?

CVE-2020-3974 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a patch available for CVE-2020-3974?

Yes, a patch is available for CVE-2020-3974. Update the affected software to the latest version immediately.

Fusion CVE-2020-3974

HIGH

2020-07-10 security@vmware.com

Privilege Escalation VMware Fusion Remote Console Horizon Client

7.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

VMware Fusion (11.x before 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) contain a privilege escalation vulnerability due to improper XPC Client validation. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMware Remote Console for Mac or Horizon Client for Mac is installed. Affected products include: Vmware Fusion, Vmware Horizon Client, Vmware Remote Console. Version information: before 11.5.5.

Know when Fusion gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

Threat Intelligence Overview

EPSS Score

0.4%

Top 72% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.4%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)NVD

cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*

cpe:2.3:a:vmware:horizon_client:*:*:*:*:*:*:*:*

cpe:2.3:a:vmware:remote_console:*:*:*:*:*:*:*:*

More in Fusion

View all

CVE-2017-5753 MEDIUM This Month POC

5.6 Jan 04

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of

CVE-2016-5330 HIGH Act Now POC

7.8 Aug 08

Untrusted search path vulnerability in the HGFS (aka Shared Folders) feature in VMware Tools 10.0.5 in VMware ESXi 5.0 t

CVE-2025-22226 HIGH Act Now

7.1 Mar 04

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability via HGFS out-of-bounds read, allowi

CVE-2017-4901 CRITICAL Emergency POC

9.9 Jun 08

The drag-and-drop (DnD) function in VMware Workstation 12.x before version 12.5.4 and Fusion 8.x before version 8.5.5 ha

CVE-2020-3950 HIGH Act Now POC

7.8 Mar 17

VMware Fusion (11.x before 11.5.2), VMware Remote Console for Mac (11.x and prior before 11.0.1) and Horizon Client for

CVE-2017-4924 HIGH This Week POC

8.8 Sep 15

VMware ESXi (ESXi 6.5 without patch ESXi650-201707101-SG), Workstation (12.x before 12.5.7) and Fusion (8.x before 8.5.8

CVE-2013-1406 HIGH This Week POC

7.2 Feb 11

The Virtual Machine Communication Interface (VMCI) implementation in vmci.sys in VMware Workstation 8.x before 8.0.5 and

CVE-2015-2194 MEDIUM This Month POC

6.5 Mar 03

Unrestricted file upload vulnerability in the fusion_options function in functions.php in the Fusion theme 3.1 for Wordp

CVE-2012-1666 MEDIUM This Month POC

6.9 Sep 08

Untrusted search path vulnerability in VMware Tools in VMware Workstation before 8.0.4, VMware Player before 4.0.4, VMwa

CVE-2017-4933 HIGH This Week

8.8 Dec 20

VMware ESXi (6.5 before ESXi650-201710401-BG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a

CVE-2017-4905 MEDIUM This Month POC

5.5 Jun 07

VMware ESXi 6.5 without patch ESXi650-201703410-SG, 6.0 U3 without patch ESXi600-201703401-SG, 6.0 U2 without patch ESXi

CVE-2017-4941 HIGH This Week

8.8 Dec 20

VMware ESXi (6.0 before ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x before 12.5.8), and Fusion (8

Same technique Privilege Escalation

View all

CVE-2024-0012 CRITICAL POC

9.3

CVE-2025-47812 CRITICAL POC

10.0

CVE-2013-0422 CRITICAL POC

9.8

CVE-2013-0632 CRITICAL POC

9.8

CVE-2024-9474 MEDIUM POC

6.9

CVE-2017-5689 CRITICAL POC

9.8

CVE-2021-20021 CRITICAL POC

9.8

CVE-2017-12635 CRITICAL POC

9.8

References

Advisories & patches

PATCH https://www.vmware.com/security/advisories/VMSA-2020-0017.html

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back