CVE-2020-3950 (GCVE-0-2020-3950)

Vulnerability from cvelistv5 – Published: 2020-03-17 18:41 – Updated: 2025-10-21 23:35
VLAI? CISA KEV
Summary
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 Mac (5.x and prior before 5.4.0) contain a privilege escalation vulnerability due to improper use of setuid binaries. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMRC or Horizon Client is installed.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Privilege escalation vulnerability
Assigner
References
Impacted products
Vendor Product Version
n/a VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac Affected: 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 Mac (5.x and prior before 5.4.0)
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1f17a6b6-8a54-41c5-a85c-c66c87000690

Vulnerability ID: CVE-2020-3950

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: VMware Multiple Products Privilege Escalation Vulnerability | Affected: VMware / Multiple Products | Description: VMware Fusion, Remote Console (VMRC) for Mac, and Horizon Client for Mac contain a privilege escalation vulnerability due to improper use of setuid binaries that allows attackers to escalate privileges to root. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-3950
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-269
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2022-05-03
Date Added 2021-11-03
Vendorproject VMware
Vulnerabilityname VMware Multiple Products Privilege Escalation Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:29 UTC | Updated: 2026-02-02 12:29 UTC
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To clipboard 

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.