CVE-2020-3950
Published 2020-03-17 · Updated 2026-06-17 · Source security@vmware.com
Summary
CVE-2020-3950 is a high-severity (CVSS 7.8) vulnerability in VMware Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 3, 2022. CISA does not currently list it as used in ransomware campaigns. VMware has 26 vulnerabilities in the KEV catalog, 9 of them linked to ransomware.
All 26 known-exploited VMware vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: VMware — Multiple Products
Name: VMware Multiple Products Privilege Escalation Vulnerability
Date added: 2021-11-03 · Due: 2022-05-03
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/156843/VMware-Fusion-11.5.2-Privilege-Escalation.html
- http://packetstormsecurity.com/files/157079/VMware-Fusion-USB-Arbitrator-Setuid-Privilege-Escalation.html
- https://www.vmware.com/security/advisories/VMSA-2020-0005.html
- http://packetstormsecurity.com/files/156843/VMware-Fusion-11.5.2-Privilege-Escalation.html
- http://packetstormsecurity.com/files/157079/VMware-Fusion-USB-Arbitrator-Setuid-Privilege-Escalation.html
- https://www.vmware.com/security/advisories/VMSA-2020-0005.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3950

